fiat marea lambda sensor

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fiat marea lambda sensor 185
fiat marea lambda sensor 185

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FIAT MAREA 185 where is the lambda sensor

Hi does anyone know where the lambda sensor is on a fiat 1.6 16v engine Thanks

Located in the front exhaust section between the manifold and the cat on my 2.0 20v - probably the same on the 1.6 engine I would think.

FIAT MAREA 185 Lambda sensor question.

what is the script with these universal sensors Are they much cop or just a flop Is it just best to get the proper fiat job

Ive heard nothing but bad comments about universal lambda sensors. Always see people saying to get genuine bosch ones.

hi there there is no sutch thing as a universal 02 sensor as there are too many engine sizes therefore to many voltage ranges to make one sensor do all engines there idea is ludicrous believe me ..shuggy..

View Lambda probe, exhaust sensor for FIAT MAREA

FIAT MAREA 185 New lambda sensor

How cheap can theses be Seem to be getting prices from 45 to 60 quid

should be in classifieds but seeing as i totalled mine i might let you have one cheap

Indeed it should.. 24hrs to make your ad then ill bin this thread.

Thats what a lambda sensor should do so its not your problem.

check the heater and probe resistance with a multimeter. remove the black plastic cover at the back centre of the engine bay. there are 2 knobs you need to loosen to remove it. behind that cover you will find the lambda sensor wiring connector. disconnect it and then use the connector to test the lambda sensor. make sure you use the correct side of the connector you need to use the side that has the wires surrounded in a white sheath this is the side that goes down to the lambda sensor. the following pic gives more detail. Attached Thumbnails   __________________ 2.0 twinspark veloce   Quote   05-03-2007   4 rafy Get Your Own Title Join Date Jan 2007 Location Caracas Posts 11 Thanks 0 Trader Rating 0   Re lambda up down voltage irregular running Originally Posted by jug check the heater and probe resistance with a multimeter. remove the black plastic cover at the back centre of the engine bay. there are 2 knobs you need to loosen to remove it. behind that cover you will find the lambda sensor wiring connector. disconnect it and then use the connector to test the lambda sensor. make sure you use the correct side of the connector you need to use the side that has the wires surrounded in a white sheath this is the side that goes down to the lambda sensor. the following pic gives more detail. Jug I tested the heater resistance and is correct. If I connect the lambda to ECU the lambda tester show a movement of led from 1 to 5 constantly. In my country the fiat tester is very difficult to find. I connected my elm323 (Scantool) but dont work.

you should see the lambda voltage going up and down constantly this indicates that the lambda sensor is responding and the ECU is switching from rich to lean to keep the fueling correct. So its basically working. What performance problems do you have

Originally Posted by rafy My marea have a rare problem. When the car is cold it have more power but when hot don&180t have the same power. thats not rare. its probably the lambda sensor Originally Posted by rafy Too the car have jump o accelerate or brake abruptly if I go in traffic at 2 gear and release the accelerator brake abruptly and if put the accelerator jump abruptly too. thats normal use 1st

FIAT MAREA 185 wheres my Lambda

Gday everyone. I have a nice marea Weekend 1.6 petrol. Good motor plenty room...but it failed its MOT the other day. I have repaired all the defects wishbones rods fuel breather tank in the wheelarch but the emissions are over. I think I need to replace the lambda sensor but im not entirely sure where to find it I have found a sensor on the right side of the head but as there was water seeping out

Hello again. Thanks for the info located the sensor 4 wire rectangle type plug. BUT...... my local Dingbro motor factors has just informed me there is another sensor towards the rear of the exhaust I had a new exhaust system from the cat back fitted last month. Did not see anything that resembled a place for another lambda ... Where would it be fitted Ill go climb under again and have a look... Thanking you already... Rascal808

Hi mate Yes if yours is the later model you will have a pre and post cat lambda . The pre one is on the exhaust manifold and the post one is just below the cat which is the big bit just after the manifold . If you have the CF2 version then there is only 1 lambda sensor. This is located on the downpipe just after it turns 90degrees and goes under the engine where the 2 pipes turn into 1. Hope that helps Alan rascal808 thanked for this post

Well we shall see if the emissions are OK this afternoon. Fitted the new lambda a new Air filter a new set of spark plugs. The car does seem to sound sweeter but they always do to me when Ive done a little service on them. Ive left it idling for a half an hour now I think Ill go take it for a quick run so the ECU can learn the new sensor readings and adjust what it needs to. rascal808

FIAT MAREA 185 To low rpm at warm idle RPM sensor

Hi. These idle problems drives me nuts . First the engine idles like scrap all the time (To low charging voltage) Then the idle is low all the time followed by too high Co readings (lambda probe) Now it idles fine at cold start and during warm up but when engine reaches working temp the idle speed is below 500 rpm but steady. I read some where that the ECU uses coolant temp for setting idle speed during

Hi. No the engine symbol hasnt been on since the lambda probe was replaced a month ago. The engine doesnt misfire... Everything is normal except from this one problem. The fiat workshop manual (by fiat ) states the idle speed is set by the ECU using the TDC sensor when the engine is warm. But it looks like its the same sensor that the ECU uses to display RMP at the dashbord... So it seems like its

FIAT MAREA 185 Lambda Question

With being a little concerned about the emissions coming from the exhaust i had my X reg 1.8 Weekend checked out and the result was that i had a so called 2nd stage lambda problem. I know that it sits near to the Cat but is it an easy replacement job or do i have to drop the entire exhaust to do the job I only had the exhaust replaced by a garage 18 mths ago so im hoping the lambda s not too difficult

Assuming you can get access to the sensor they just unscrew. Make sure you unplug it first. The problem you may have is they tend to rust in to the exhaust system and can be a pig to get out. New one is not a problem all the good motor factors sell them they will just need your registration number to get into the catalogue for your car and select the correct one. AnfielRed118 thanked for this post

hiya i have got 2 weekends both 1.8 engines one is r reg one is t eg both only have the one sensor

My 2.0 20v has 1 sensor aswell do you mean cataclean i used it a few years ago for best results add it to the fuel tank when theres not much in there and leave it standing running so it gets real hot but i added it to my tank when i juiced up and went for a long run-personally i think it worked better running thru constantly then wallop all in one go just like redex great stuff just use it propperly

A quote i found on a similar thread says this- Yes if yours is the later model you will have a pre and post cat lambda . The pre one is on the exhaust manifold and the post one is just below the cat which is the big bit just after the manifold . If you have the CF2 version then there is only 1 lambda sensor. This is located on the downpipe just after it turns 90degrees and goes under the engine where

FIAT MAREA 185 Diagnosing sensors

Is there a way of checking the proper working of the sensors without the use of a scanner Im thinking of the coolant temperature sensor the MAF lambda sensor. I have a resistance meter would this help Are there any readings to check for The manual doesnt state any. I have a 1.8 16v elx.

FIAT MAREA 185 Engine Diag Light on. Think its the crank sensor

Hello all. I managed to run over a rock on friday buckling my 17 stilo claw alloy After a trip to a local tyre place to diagnose the buckled wheel the engine warning light came on as soon as I pulled out of the garage The car seems to be in limp mode ie. lack of power. Im just wondering whether the crank sensor has been knocked out of alignment from running over the rock Hopefully wont be too expensive

Originally Posted by jug i doubt the crank sensor will be the cause. i agree that a diagnostic is the best option at this stage. If it feels like its in limp home mode its probably running on a safety map . Probably something like the lambda being loose or the map sensor is now dislodged. Ross

FIAT MAREA 185 RPM gauge gone mad...

Hi there Im new member here bought 1.6 marea -98 in April this year. Mainly everythings fine but I have few small-ish issues just one in this thread. When I start up RPM gauge stays at 0rpm. After 3-5 minutes it suddenly jumps to correct rpms but acts like maniac jumping from 0rpm to actual rpm or it just stays at 0rpm. In Very rare cases it shows correctly. It has been like this since April... Any hint -marsu

Hi and nice to be here. Thanks for this forum I searched a lot and already found some tips. But back to my rpm... My Golf-90 didnt have basically any electronics...... so I didnt find either the sensor or wiring. Pls check the photo and mark the place where to look for. Does anyone have mareas service manual in web would like to download Attached Thumbnails   __________________ fiat Forum Useful

FIAT MAREA 185 1.9 JTD smoke

Hi I have a marea 1.9 JTD (year 2001) with 110.000km on the clock and it has black smoke coming from the exhaust. It does not burn any oil since ive driven it 8000km so far and did not notice any change in oil level since ive changed it. Water levels OK too. Starts OK (no smoke) even when cold. The thing is when accelerating and revs are above 2500 black smoke comes out from the exhaust. If revs are

FIAT MAREA 185 Marea 2.0 cutting out after a run

Ive a W reg marea Weekend 2.0 with nearly 100000 miles on the clock which I absolutely love but it recently developed a problem during long runs. I drove back from Switzerland to the UK yesterday and after spending all day at 80-90mph (gotta love those French autoroutes) on getting into the massive queue at the Eurotunnel it cut out. It was like there was no fuel at all getting to the engine - didnt

FIAT MAREA 185 im lost

could anyone advise me on were i can locate the iat (intake air temp sensor)or engine temperature sensor and does anyone have any idea were i could locate a workshop manual for the 1.6 sx as haynes could never be bothered to print one well thats what their website claims anyway...thanks in advance

visit this link below if your marea is 1.6 auto httpwww.italiaauto.comforumviewtopic.phpt1183 or see photo attached 1. Fuel cut off solenoid valve (underneath) 2. Carbon Filter (underneath) 3. lambda sensor harness (in the black plastic cover) 4. Manifold Absolute pressure sensor (MAP) (in the black plastic cover) 5. 5A fuse for injection-ignition system (in the black plastic cover) 6. 20A fuse protecting

FIAT MAREA 185 Marea 1.6 sx - Engine hesitation

My engine occasionaly hesitatesstutters this can be either accelerating or constant speed. It appears to be similar to fuel starvation and can normally only be corrected by changing down a gear. Normally it happens after driving for a while (greater than 60 miles) but it is now happening sooner (30 miles). The ECU light comes on intermittently and appears to follow no pattern. The hesitation can occur

FIAT MAREA 185 marea dies when hot

Hello I have a problem with a 1998 marea 1.6 petrol. The car starts and idles ok when coldthen when normal operating temperature is reached the engine cuts out. If I disconnect the idle control valve when it is idling it will not cut out. I have replaced the idle control valve with a new one -still cuts out when hot.I have also replaced the inlet temperature sensor and cleaned the mass air sensor.

Thanks for the reply. I have now bought a new lambda sensor from a fiat dealer and the problem is still the same. Engine starts ok and runs ok until the temperature needle gets up about 14 of the way then engine cuts out. Engine will restart with difficulty and stall again unless the revs are kept above 1500. on tick over the engine will also stall when it is warm and I turn the steering all the way to the right.

Originally Posted by bulldog5046 yeah i would of leaned more towards it being the TDC sensor anyway but Jug tends to know his stuff well i did say lambda crankshaft position sensor and cam sensor were my 3 most likely culprits i dont understand why the CPS would only have an effect when hot thats why i thought lambda dozens of times ive seen the same problem due to a faulty lambda probe but CPS faults

Thanks for the advice I have just undone the mounting bolts for the crank sensor and it is seized into place. I think that it has seen better days and is probably the main source of the problem. I think that it was probably a good idea to replace the lambda sensor anyway. The guy in fiat said that they usually go after about 50000 miles and then fuel consumption goes through the roof. I think that

Originally Posted by jug well i did say lambda crankshaft position sensor and cam sensor were my 3 most likely culprits i dont understand why the CPS would only have an effect when hot thats why i thought lambda dozens of times ive seen the same problem due to a faulty lambda probe but CPS faults usually show up as random cutting out and crap performance due to irregular fueling. i guess it depends

FIAT MAREA 185 Loss of power - Can you help

Hi Guys I am still suffering with the occassional loss of power (never cuts out) normally happens when pulling away then slowly picks up again. Feels like it is in third gear or like you have left a manual choke out (if anyone can remember that far back) and before you say it I have made sure it was first and not third. The garage cannot figure it out and neither can I. Mark

burnell- bang the dash with your fist to get the dial working although a more permanent option is removing the instument panel and cleaning the 2 connectors on the back of it. if your car is always fine the first drive of the day you can be fairly confident the lambda sensor on the exhasut is to blame because the lambda only works once it has warmed up. try disconnecting it and see if that makes a difference. the connector for the lambda is hidden under a small plastic cover in the engine bay located in the center near the windscreen to remove the cover there are two black plastic knobs which need to be turned until loose then pull the cover forwards and locate the connector it has a white wire on one side (well i say wire its a white sheath over 4 wires). disconnect it and see if the problem changes. potty- the fuel pump is in the fuel tank access it by removing the round cover under the boot carpet. what engine have you got do you have any lights on the dash illuminated by temp sender i guess you mean the sensor to measure intake air temp which is located on the inlet manifold . a haynes manual really is the best place to start looking for info you cant own a fiat without one.

FIAT MAREA 185 silicone victim

Hay guys i think i might have fallen foul of the silicone epedemic at the start of a jernouy my injector light comes on and today i have been feeling a real loss of power it not running unstable like when you disconnect an injector just pretty gutless and have to rev her up high to get going. wondering if my injectors have been stuffed as well as my lambda Cheers

personally i highly suspect the lambda the TDC and cam sensors will stop the car running ( i know this from experience). there is a MAP sensor on my marea and the MAF is fine ill order up a lambda

Originally Posted by bulldog5046 personally i highly suspect the lambda the TDC and cam sensors will stop the car running ( i know this from experience). there is a MAP sensor on my marea and the MAF is fine ill order up a lambda Nope if the ecu loses the CAS signal it sets the injectors from sequential to firing all the time. this causes a chattering from the injectors. Its just about audiable. Power

FIAT MAREA 185 2001 Weekend 1.6 Auto - Power Loss When Hot

All I have a Weekend 1.6 Auto and over the last few months I have noticed intermittent power loss after about 45 minutes of driving It feels as though its holding back on acceleration then suddenly it will surge back to full power. As I only travel these distances maybe once a month I havent bothered too much but Im going to be doing 300 miles in a weekend soon and Im worried that it will play up.

Hi Jug thanks for the reply. OK I just checked the injectors resistance by unplugging the multiplug that feeds the injectors and going from centre pin of the flat 5 pin plug to each injector pin in the plug these all measure 16.6 ohms each or if I put the meter across any 2 of the injector pins (2 in series) I get 33.2 ohms. So going by the info in the Bravoa forum that states they should be above

OK Update time. Serviced the car last weekend and fitted a new exhaust Purchased new Lamdba (NGK which I hope will work) but couldnt fit. Took the car for a run this weekend and its getting worse. So today I ran over to my local auto electrician making sure the car was playing up when I got to him we plugged in the diagnostics and the error was a Fuel Mixture Problem. We looked the the Upper and Lower

FIAT MAREA 185 marea stalling 1.6

I have recently aquired my second marea this time a 1.6 gas conversion which stalls when warm (on gas and petrol) the gas is single point injection it stalls on either when hot it will allow the revs to come down for about three seconds and then dies. if you keep up the revs its ok. it drives fine through the rev range apart from idle. i have tried a new idle cotrol valve. any input would be gladly received.

Yes lambda checked been reading and Im thinking that it may be down to the tdc sensor. From what i understand the coolant sensor looks after the fast run (choke cycle until the engine is warm). After which the idle is looked after by the tdc sensor. Im assuming that the impulses from the tdc sensor look after both fuel and spark this is my next plan of attack. Sooty plugs Wont idle when warm Misfires

Not much you can do about the tdc sensor. It will be either external near the flywheel low down or internal fitted into the block near the flywheel at the front. Internal gap 0.5mm to 1.5mm internal 0.8 to 1.5 these are not adjustable (officially). Open closed loop is to do with how the lambda affects the fuel supply. In a closed loop the lambda senses oxygen in the exhaust and sends signals to adjust

i dont think your airfilter has anything to do with it or your fuel changes or your lambda . why the airfilter issue has never happened on anyone elses car. i know what you mean about the vents in the wheel arch liner but id be willing to bet a lot of money that it has nothing to do with it. however you should block those holes up once the airbox is removed to stop dirt entering the engine bay. driving

FIAT MAREA 185 Marea she no idle

Good morning everyone I hope someone may be able to help. I have a 99 marea 1.6 that for a few weeks has struggled to idle. Cold start was good ticks over nicely. As soon as it warms up it stalls at every junction. I was thinking idle control valve but lived with it for a bit. Yesterday while driving it started to judder real bad on zero throttle and at low revs coughs and farts until about 2500 revs.

FIAT MAREA 185 Marea not starting.

Hi there... Ive just joined the fiat forum and have to say it looks kinda cool - well done guys I must be honest though... I have an alterior motive... Im having trouble with my 1997 P reg marea Weekend 1.6 SX... its been running fine since March. Got it serviced in the summer but the night before last it wouldnt start. Its the first cold spell weve had in Fife Scotland... but its been fine for ages

a thread (occasional starter 25-06-2007) where you help somebody else with starting problems and mention the idle speed control actuator. What he was describing sounded similar regarding the revs. If I remember correctly mines doesnt go up high and then come down. When I got it the lambda sensor was goosed and I had to get a new one... and that sensor light (that seems to be on on every older fiat

FIAT MAREA 185 FAO Migaard

Hi I cant reply to your PM because it says Migaard has chosen not to receive private messages or may not be allowed to receive private messages. Therefore you may not send your message to himher. so ill post my reply here and hope you get it cold idle problems on the 1.6 are very common and usually due to a faulty idle speed control valve. the idle actuator moves in and out to let more or less air

Hi Jug. Thanks Mate. I changed my e-mail yesterday but forgot to activate it sorry... I had the ISCV tested OK at a fiat workshop in december last year. I will try the air intake temp sensor do you know what kind of sensor it is is it possible to test it using a multimeter Can a bad lambda sensor or a bad fuel injector cause these problems The only problem is low revs 700-800 at idle at cold start.

FIAT MAREA 185 Marea 1.6 Injectorlamba Problems

Hi new to Forum and finding Jug to be a saint Just purchased a marea 100 1.6 sx Weekend 2000 (W). Almost instantly became hesitant lack of power flat spots etc (no injector light). Stopped 10 miles later after returning to car it ran like a dream for next 30 miles home. Left standing for approx 30 mins started car and injector light appeared on dash. Although slightly lumpy car seems to idle on all

hi sorry for the late reply i dont check the marea section very often. best thing to do first is check the resistance of all injectors using the multimeter on the injector wiring harness. the wiring harness has a connector at the right hand side fo the fuel rail. use that connector to do your tests. you want at least 13ohms on each injector. if you search the bravoa section youll find more detailed

FIAT MAREA 185 keeping marea weekend.

Hi everyone. bought a ford mondeo 1.8td on a s plate but after seeing how much it was needing for m.o.t have decided to run my 2001 plate marea weekend for another year spent lot of money on it last year so why not use it. apart from being a bit sore on petrol it is actually a reliable car hopefully m.o.t at end of the month will be a bit easier this year. Venters thanked for this post

Originally Posted by daf430 my marea is a 2001 on a y plate. 1.6 engine. averages about 33 to the gallon. done 102000 but really good engine in car. more or less rebuilt front suspension last year for m.o.t. engine light flashing though will try lambada sensors first. Yeah lambda first 33mpg seems a bit thirsty I get 37-39 at the moment with a mix of motorway and town stop start back and forth to work.

FIAT MAREA 185 Marea cutting out when slowing down...

I have an X reg petrol fiat marea Weekend and recently it has been going slightly nuts. The idle speed keeps rising as and when it feels like and it has now started to cut out sporadically when slowing down in traffic or at junctions or when at low revs i.e. parking or reversing. It will start again straight away but can do this 4 or 5 times in succession before apparently resolving itself and will

With a sudden and noticeable rise in fuel consumption and then couple that with unreliable tickover dying away then Id check out the lambda sensor as one of my first checks. lambda gives the signal for the ECU to fine tune the fuelair mix when engine is at steady state rpm so a sudden huge loss of economy would make it first on the hit list as the ECU wouldnt have a clue and you would tend to run very rich

FIAT MAREA 185 Injector light error

Hi everyone. Today a light came on my dash. I have a 1.8 fiat marea on a S reg. the injector light appeared whilst going up a hill. i had travelled about 10 miles. the car did not have any difference in power or performance. i turned back for home when about 4 miles back the light went off. so i tried again but went a different way (ie not up that hill) i had travelled about 40 miles without the light

hiya ppl . my light came on again today so i went to the garage and he read the ecu for errors. the lambda was the only fault on there. so here is my queston. before i change it is it possile for any other sensor having a problem but the lambda was the only one picking it up from what i have read the lambda controls petrol air mixture correct by the way adding redex had no effect. the light did go out on its own when the rad fan cut in outside the garage.

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