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Hesitation when cold 900 1996

Your cause could be a bad temp sensor? Maybe the connection or the sensor itself. Making the engine a little fuel starved until it is warmed up.
A bad connection/air mass sensor? Getting the wrong temp.readings? That one is easy to test, just unplug it before your next start up, the default program should make it run better. Doing so will cause a code and check engine light.
When you are starting out from a stop, is the trans in first, could it be starting out in a higher gear? Maybe the PNP switch is faulty? When my switch failed, there was no fault code or flash dash light. It just would start out in 3rd gear.
What has the shop done for their 400.00?

DanR 94 964 291,000 miles (57,000 on the new engine)

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DanR






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