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Hesitation Yo, I've got the same thing going on but mine happens after a warm up and I stop for grocery's or gas. It might be a Coolant temp sensor but the scan tool indicated that the engine temp was up to normal. Maybe it cools down enough and goes out of range. I should look up the ohm...

Hi, The engine runs stron when cold. Probably still in Open Loop. It only happens on a restart after getting gas or grocery shopping. then it only happens until I've driven it less than a mile then clears up. It appears to be a lean misfire. Maybe a MAF or CTS sensors. Coolant levels are OK. I...

Greetings, I have the 1999 Chevy Tahoe LT 4x4 that I have a hesitation. It shows up after I have driven the car and the engine has warmed up. After I restart the engine, it will start with no problem. Upon acceleration it stumbles and I hear the lean misfire in the intake. If I release the...