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VW Golf III AAM engine RPM problem
Hello everybody.
First of all, sorry for my english, but I hope that you will understand my problem. I have Golf III with AAM engine (1.8L, 55kW, monopoint). Problem is that very often when engine past 2ooo RPM, and I let out thrust pedal, my engine start by it self to giving more rpm for half secund. When I cahnging gears I see on RPM gauge that for very short time RPMs start to rase for 300-500 RPM, or when I whant to break with engine, also start to accelerate. I know that idle acuator giving that extra thrust (I feel that thrust pedal go down littlebit), but I don't know whay. Does someone have any idea? Thank you in advance, regards from Croatia... -- Goran Vukovar se vraca kuci... |
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#2
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VW Golf III AAM engine RPM problem
On Tue, 26 Sep 2006 23:38:36 +0200, "GoraN"
> wrote: > Hello everybody. > >First of all, sorry for my english, but I hope that you will understand my >problem. > >I have Golf III with AAM engine (1.8L, 55kW, monopoint). > >Problem is that very often when engine past 2ooo RPM, and I let out thrust >pedal, my engine start by it self to giving more rpm for half secund. >When I cahnging gears I see on RPM gauge that for very short time RPMs start >to rase for 300-500 RPM, or when I whant to break with engine, also start to >accelerate. > >I know that idle acuator giving that extra thrust (I feel that thrust pedal >go down littlebit), but I don't know whay. > >Does someone have any idea? Thank you in advance, regards from Croatia... just a guess, but a slightly sticking throttle cable? |
#3
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VW Golf III AAM engine RPM problem
PeterD wrote:
> just a guess, but a slightly sticking throttle cable? If I have understand you coretly, that is not problem. My throttle pedal goes on good place, but then little electric motor (that have purpos to control idle speed) start to giving more throttle. Problem is that ECU because of some reason thinks that it's need to give more throttle, but I don't know whay. Is there any senzor that is very important and from wher ECU reading when need to give more throttle? If engine is under 2ooo RPM, ther is no that problem?... -- Goran Vukovar se vraca kuci... |
#4
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VW Golf III AAM engine RPM problem
It sounds like he means it has a surge , when he lets off the gas. above
2000 rpm. But he says the car stalls too. So maybe the ecu is sensing the stall and adding the surge to compensate... Sometimes it stalls because the ecu couldn't keep up. Unfortunately I don't work on gas VWs much. I failed miserably trying to make a cis VW run correctly I got for a song and a dance. And I never recovered. So I leave them be. I do believe the 94 2 litre has a throttle position sensor. I look at the tps as a rotable as they are used all the time and move. So they wear. I,ve had a string of successes replacing the tps. either it fixes it or reduces the problem. If you mean to try parts , I think they aren't too expensive. there is a test in the Bentley with a ohm meter for the tps. . a fuel pressure regulator in the fuel rail. cost about twice as much as the tps. there's a very expensive airflow meter. which may cause problems if its sooted up , or has oil on it. Cleaning may do something. Anything beyond that requires somebody else's expertise. If you do want a tps, get the part number off of it. there are many different ones on the same exact VWs. I have difficulty with your electronic diagnosis failure. It is rare for an analysis to fail if done correctly. If there was a failure to diagnose I wouldn't pay. If I wasn't paying for it, I wouldn't think it was any good either. If there was a failure found I,d let them fix it. If the cars stil runs like crap. I wouldn't pay for anything until they finished fixing it. Good Luck "GoraN" > wrote in message ... > PeterD wrote: >> just a guess, but a slightly sticking throttle cable? > > If I have understand you coretly, that is not problem. My throttle pedal > goes on good place, but then little electric motor (that have purpos to > control idle speed) start to giving more throttle. Problem is that ECU > because of some reason thinks that it's need to give more throttle, but I > don't know whay. > > Is there any senzor that is very important and from wher ECU reading when > need to give more throttle? If engine is under 2ooo RPM, ther is no that > problem?... > > > -- > Goran > > Vukovar se vraca kuci... > > |
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