BX GTI Rough Running

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Ian Fearn
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Joined: 27 Sep 2004, 01:27
Location: United Kingdom
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BX GTI Rough Running

Post by Ian Fearn »

Between about 2750 and 3000 rpm my GTI 8V seems to viberate and run really rough. Below and above its fine.
Bit of a pain in the bum though when your cruising at 60 in 5th!
Any ideas[?]?
tomsheppard
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Post by tomsheppard »

This could be due to a number of things. Which injection system are you using?
Coils on these seem to break down. Does it feel as though it misses or does the performance just go flat? An ignition misfire at a given frequency seems to be unlikely so look for blocked breathers or loose pipes (Favourite guess. Ensure that the oil filler cap is tight as well.)
Jon

Post by Jon »

To add to what Tom has said, another common failing on this engine, when they hesitate and are gutless at a certain RPM range, is a worn out Dizzy.
Has your car got a distributor, or is it the later version with no dizzy and the 4 post coil? (changed 91-92 I think to the later setup). If the later car, could be a coil problem. Also carefully clean the flaps and body inside the airflow meter with carb cleaner.
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Ian Fearn
Posts: 193
Joined: 27 Sep 2004, 01:27
Location: United Kingdom
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Post by Ian Fearn »

Hi, thanks for the prompt response
Its one of the later GTI's, a 1992 Hurricane. So its got no dizzy.
It could be a misfire although a very slight one, it just seems to give a viberation/hesitation and go flat. Once about 3k, its fine again.
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