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Old 02-27-2008, 02:13 AM
arod427 arod427 is offline
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P0339 2000 astro van WOT Backfire hesitation

Hello everyone I am need of help with this 2000 astro van that has been a real headache.

It has a code p0339 and will only backfire at WOT, I have tried to look for a TSB on this and have not found anything. I have replaced the crank sensor and checked all wiring any help please advise.

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Old 02-27-2008, 06:00 PM
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old_master old_master is offline
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Re: P0339 2000 astro van WOT Backfire hesitation

P0339 means there is an intermittent open circuit in the crankshaft position sensor circuit somewhere between the sensor and the ECM. Check all connections, make sure they're clean and tight.
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