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Engine skipping when cold: TB Bypass of DI casset?
Posted by Eric (more from Eric) on Tue, 16 Oct 2001 17:23:49
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Hello.
I have a 1994 NG900 turbo with the direct ignition casset.
Since around 1995, all my vehicles have had the TB Coolant bypass and Ive had no problems but this may be my first problem with the mod. I know this mod does crap but with a 4 banger Ill take whatever power I can (free!!)
Car skips lightly when cold/warming up. The skipping will stop when the car is about 1/2 way up to operating temerature, and the skipping is only at idle, that is, no bucking or hesitating whatsoever during light to hard acceleration, also no hesitaion with reving the engine off of idle.
What does it sound like? its around 50 degrees F here today.
If its the DI, then the symptoms must be directly related with the temperature of the unit itself - its cold when the engine is cold, and hot when the engine is hot.
If its my coolant bypass then there must be some sensor playing with the mixture or else the air is just tooo cold.
What do you guys think?
posted by 207.251.2...
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