General Ecu, error codes - fiat punto 2002

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General Ecu, error codes - fiat punto 2002

sandylobban

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Hi there, Im looking for some help with a problem. Ive got a 2002 fiat punto sporting. Problem is: Engine management light has been flashing and the car seems to be miss firing as the result of a fault that has taken place some where. If you drive the car and have it running at say a constant 2500 revs, the light goes off temporaraly, but start driving the car with gear changes and variable revs and it starts flashing again. The miss firing is most obvious when the car is idling. I took it to a non fiat test centre and they guy said the code that was showing up was P1135, but the machine could not reveal the fault for some reason and that Id need to take it to the main dealer. So basically, has anyone got any idea's on this error code?? or what might be causing this? One other thing is, over the last year the engine management has been coming on and staying on periodically, but has had no effects on the car. It would most likely go off when I filled the car with petrol too. This has been happening for the last year or so like I said, but dont know if its related. The missfiring problem and the flashing management light has just happened tho and is what I am trying to resolve at the minute!. Any help much appreciated. cheers
sandy:bang:
 
you need a diagnostic check at fiat using the examiner machine, a flashing light means there is a fault.

as for the previous issue of the light remaining on and sometimes going off (such as when you fill up or add redex), thats not uncommon on the sportings (my girlfrined's is the same actually :) ) and is usually due to the lambda sensor going slightly out of range. i tried getting a fiat diagnostic done to find the fault and they couldn't find it so its nothing to worry about, and as you said it makes no difference to the engine's running. it is annoying though :mad:
 
mines misfiring on the first cylinder on idle but clears up when ur up to speed and it could be the valves. iv checked everythin n ive put it dovn to the valves sticking or not sealin properly drawin air back im takin my head off tomorrow ill post up what i find
 
sandylobban said:
Hi there, Im looking for some help with a problem. Ive got a 2002 fiat punto sporting. Problem is: Engine management light has been flashing and the car seems to be miss firing as the result of a fault that has taken place some where. If you drive the car and have it running at say a constant 2500 revs, the light goes off temporaraly, but start driving the car with gear changes and variable revs and it starts flashing again. The miss firing is most obvious when the car is idling. I took it to a non fiat test centre and they guy said the code that was showing up was P1135, but the machine could not reveal the fault for some reason and that Id need to take it to the main dealer. So basically, has anyone got any idea's on this error code?? or what might be causing this? One other thing is, over the last year the engine management has been coming on and staying on periodically, but has had no effects on the car. It would most likely go off when I filled the car with petrol too. This has been happening for the last year or so like I said, but dont know if its related. The missfiring problem and the flashing management light has just happened tho and is what I am trying to resolve at the minute!. Any help much appreciated. cheers
sandy:bang:

The light flashes for a reason!!!!!

You have a fault (generic misfire) the flashing is a warning of catalyst damage....keep driving it & you will f*ck the catalyst.

Get it to a dealer & get it sorted or it will end up costing you a heck of a lot more!
 
[i have the best solution to your problem.. burn it! i have had the most crap three months with my car! 2001 punto mia, 1.2 8v my engine management light had been coming on and off for about 6 months and when the garage checked it they said there was no problem, it is on permanantley now and the car is running awfull. it doesnt start properly the revs drop to nothing and the thing needs revving really high to clear it but last week i paid out over 130 quid for a new b coil and a filter which is what i was told it needed. its now worse than ever and it sounds like a tractor it has no power and then suddenly it clears and the car takes off. when the problem clears the car then runs fine its going back into the garage tomorrow but ive a feeling its gonna cost me a bomb!! i think i have damaged something driving it with this problem. if the light is on and it aint running right dont ignore it like i did it will get worse! if you or anyone can help me i would maybe be able to smile again!!! cheers. QUOTE=sandylobban]Hi there, Im looking for some help with a problem. Ive got a 2002 fiat punto sporting. Problem is: Engine management light has been flashing and the car seems to be miss firing as the result of a fault that has taken place some where. If you drive the car and have it running at say a constant 2500 revs, the light goes off temporaraly, but start driving the car with gear changes and variable revs and it starts flashing again. The miss firing is most obvious when the car is idling. I took it to a non fiat test centre and they guy said the code that was showing up was P1135, but the machine could not reveal the fault for some reason and that Id need to take it to the main dealer. So basically, has anyone got any idea's on this error code?? or what might be causing this? One other thing is, over the last year the engine management has been coming on and staying on periodically, but has had no effects on the car. It would most likely go off when I filled the car with petrol too. This has been happening for the last year or so like I said, but dont know if its related. The missfiring problem and the flashing management light has just happened tho and is what I am trying to resolve at the minute!. Any help much appreciated. cheers
sandy:bang:[/QUOTE]
 
yours sounds like a fueling problem.

if its a mk2 with a permant filter then look at changing the pump or fuel control valve.
if its a mk1, try a new filter, then a pump, then a control valve.


£130 for a coil and filter is rip off money!!!!!

it takes about 6minutes to change both.
the coil will cost between £30-45 adnt the filter no more than £6
 
mechanic.jpg:p
 
Probably a bit late for this but assuming a 1.2 Punto with Bosch ME 7.3H4 Engine management P1135 refers to an incorrect lambda sensor heater resistance on Bank 1 Sensor 1

After starting the engine, the lambda sensor should attain its minimum operating temperature as soon as possible. To shorten this period, the sensor contains a heating element which ensures that, after starting engine, the ceramic element reaches the necessary temperature after only 20-30 seconds. During operation of the engine, the heating element maintains optimum operating temperature of the component
 
Hi I'm a new member and I also have an ecu problem, the warning light stays on but there is no apparent loss of performance or misfire, I have been given the same P1135 error code by an independent garage. Is this the Lambda sensor fault that seems to happen so often and if so where is it located and what does it look like?

Thanks for any advice. GHS
 
Hi there, Im looking for some help with a problem. Ive got a 2002 fiat punto sporting. Problem is: Engine management light has been flashing and the car seems to be miss firing as the result of a fault that has taken place some where. If you drive the car and have it running at say a constant 2500 revs, the light goes off temporaraly, but start driving the car with gear changes and variable revs and it starts flashing again. The miss firing is most obvious when the car is idling. I took it to a non fiat test centre and they guy said the code that was showing up was P1135, but the machine could not reveal the fault for some reason and that Id need to take it to the main dealer. So basically, has anyone got any idea's on this error code?? or what might be causing this? One other thing is, over the last year the engine management has been coming on and staying on periodically, but has had no effects on the car. It would most likely go off when I filled the car with petrol too. This has been happening for the last year or so like I said, but dont know if its related. The missfiring problem and the flashing management light has just happened tho and is what I am trying to resolve at the minute!. Any help much appreciated. cheers
sandy:bang:

I have literally just bought a 52 punto 1.2 sporting. Also had a misfire but as I work at a vauxhall dealership (I know I know) I got one of the boys to have a look. Estimated an ingnition coil at first but after changing the spark plugs it was "firing on al cylinders". I simply hooked it up to a kts to get rid of our unwanted friend (engine management light) and away I went. I understand that you may not have access to these facilities however, I was quoted £30 from a local fiat garag to clear the light for me. It will also put your mind at ease as to whether there are any other faults with your car. Hope this helps. OJ
 
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