Author Topic: 5000rpm max!!!!!!!  (Read 4621 times)

Offline gold racing

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5000rpm max!!!!!!!
« on: 13 February 2005, 19:19 »
Hey guys,

My 97 P-reg golf gti 8v only revs to 5000rpm where it hits a rev limiter. It has occasionally (about once a month!) gone to about 6250rpm which is what i think the red-line should be but then after turning the car off and back on again it went back to 5000. I've lived with this for a while but is starting to do my head in!

I was wondering if the car was only revving to that because of some kind of faulty sensor putting the car in some sort of fail safe, get you home type mode.

Anybody got any idea what might be wrong with it????

Any help or advise would be much appreciated!? :smiley:

mrwotto

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Re: 5000rpm max!!!!!!!
« Reply #1 on: 13 February 2005, 19:25 »
Sounds like a dodgy sensor or maybe your rev counter is not accurate

All I can suggest really

Paul

Offline gold racing

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Re: 5000rpm max!!!!!!!
« Reply #2 on: 13 February 2005, 19:40 »
The rev counter seems ok, Its definately not revving, can tell by the sound!
Not sure what sensor might cause such a fault.
cheers

Offline golf96

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Re: 5000rpm max!!!!!!!
« Reply #3 on: 21 February 2005, 21:54 »
best way is to have it put on computer at main dealers then that way you Will know & then you can go & get the bit & put it on. Ain't worth keep trying bits cos that way you will soon be paying out more than just having it diagnosed at dealers.

Hope this helps as I have learned this by my own mistake & wasted hundreds

Offline starfishcracker

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Re: 5000rpm max!!!!!!!
« Reply #4 on: 22 February 2005, 09:22 »
I'll tell you exactly what this is -

It's your engine timing! Problem is that you can't do it yourself, you need to go to a main dealer!

Do yourself a favour and squirt some WD40 down the base of your distributor as they WILL need to move it and they DO sieze into the engine and are very hard to free!

Then book yourself in at your local VW centre and get them to set the 'base ignition timing' and clear the faults from the memories.

This shouldn't cost you very much as it should only take between 15 and 30 mins.

Let me know how you get on!

Offline Justins145bhpMK1

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Re: 5000rpm max!!!!!!!
« Reply #5 on: 22 February 2005, 09:26 »

Not neccesarily timing I would have thought.

One thing to try, sorted the probs for me is to clean up the hotwires on the cars MAF. Mine were clogged up and since cleaning them with a cotton bud and a drop of petrol the car is sweet as a nut!!

Offline AudiA8Quattro

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Re: 5000rpm max!!!!!!!
« Reply #6 on: 22 February 2005, 09:51 »
The only thing i can think of is possibly the engine speed sensor, as this is what the ECU should use for the cut off.
It won't be timing, when the timing is out, the engine will lack in power, but will still reach the redline.
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Offline sportline_velly

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Re: 5000rpm max!!!!!!!
« Reply #7 on: 22 February 2005, 10:24 »
i know on a mk2 16v the fuel replay can stop the car reving.

try changing that
Velly
16v Sportline 145bhp/135lb.....its all about the torque!
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Offline starfishcracker

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Re: 5000rpm max!!!!!!!
« Reply #8 on: 23 February 2005, 08:51 »
Sorry to contradict what everyone else is saying but please read my last post as i really do know this problem inside out!!!

I own the very same car, I work for AUDI and i have had the EXACT same problem which was rectified in this way!

so trust me! i know what i'm talking about.

Offline sportline_velly

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Re: 5000rpm max!!!!!!!
« Reply #9 on: 23 February 2005, 09:35 »
my cab wouldnt rev over 5.5k, changed the fuel reply...jobs a good un  :grin:
Velly
16v Sportline 145bhp/135lb.....its all about the torque!
ClubGTI Newport Regional Host