Thread: 4A-GE MK1 Engine TVIS, not sure if tis my Culprit or not.
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Old 09-21-2009, 12:37 PM   #4 (permalink)
te51levin
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Quote:
Originally Posted by Xenon676 View Post
Anyone got some awesome advice?
Yes! But it's not what you wanted to hear.

My awesome advice is this: get a shop manual and start diagnosing!

I don't mean to be difficult, but this is not something that happens commonly and has a common cause. If this was behavior that we saw all the time, we could give you some more specific advice. Unfortunately, though, there's no shortcut here. You're going to have to start right at the beginning; make sure that the ignition timing is correct (using the procedure in the BGB), make sure the coolant is filled properly (using the procedure in the BGB), and then start diagnosing, system by system.

There are a couple of dozen things this could be caused by - anything from water in the spark plug valley, to old or cheap (non-OEM) spark plug wires, to a weak or loose battery terminal, to a maladjusted or failed TPS, to a sticky or failed AFM, to an air leak between the AFM and throttle.
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