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Old 04-22-2010, 12:44 AM   #8
tonyp56
Registered User
 
Join Date: Jan 2010
Location: Stillwater Oklahoma
Posts: 86
Re: Throttle Mashing hesitation?

You describe the same thing that seems to be wrong with my truck, except mine does this and I get check engine light sometimes. Only codes i have is 12 and 43, (no signal from knock sensor) I've posted about the knock sensor a month or so ago, and truck runs much better, but still have what you describe, same thing.

Sometimes truck works like it should though, but very rarely, I'd say 8 out of 10 times I give it gas, truck bogs down and then like yours takes off. Mine is a 88 5.7, know a little different model, but sound oddly the same.

Curious about TPS, I had to replace mine, because even in park (doesn't do it in park now) truck would almost die if you gunned it suddenly. Found TPS was corroded inside and wouldn't allow you to plug connector all the way on.
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