Throttle sticking??

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kellywb

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Discussion starter · #1 · Aug 24, 2005

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OK. This is going to be a hard one. Here's my problem. When I'm coasting and I press on the accelerator a little and let off the D still goes like I'm still pressing the accelerator. It doesn't coast at all it still pulls like the throttle is stuck. I have looked carefully at the throttle linkage and it isn't sticking at all! No error codes. Could it be the transmission? It surges under slight acceleration. What do you think?

Kelly

 

DurangoDude

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#2 · Aug 24, 2005

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Sounds like a bad TPS (throttle position sensor.) Napa carries them and it's a simple 15min job to replace it yourself. Sorry, I don't have a picture of it.

 

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kellywb

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Discussion starter · #3 · Aug 24, 2005

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If it's a bad TPS would it through a code?

 

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jimbo

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#4 · Aug 24, 2005

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Most TPS surging problems don't throw a code. As a quick check take the TPS off and tap it lightly against a hard surface and put it back on. Your surging may go away for a while.

 

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kellywb

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Discussion starter · #5 · Aug 24, 2005

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Great I'll give that a try. Some questions. 1) What's the part number from Autozone. 2) Should I also replace the IAC? 3) Do they both plug into the TB?

Thanks for you help guys.

Kelly

 

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jimbo

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#6 · Aug 25, 2005

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The TPS is a Wells TPS333, it runs around $26, if they don't have it in stock, they can order it. Have it shipped for pick-up at the store, you won't pay for shipping. Try it one step at a time. You might want to take out the IAC and spray it with carb cleaner. On the 5.9, the TPS is on the side on the throttle body and the IAC is on the rear of the TB.

 

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kellywb

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Discussion starter · #7 · Aug 25, 2005

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You guys are great! Swap out the TPS in under 10 minutes. Started the D and the idle was at 2500RPM. Panic shut it off and turned it on without starting it. Pressed the gas pedal to floor 5 times and re-started. It fixed ALL of my issues. Nice idle, no more surging, and no more stuck throttle issue. All for under $40. Thanks again experts!

Kelly

 

DurangoDude

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#8 · Aug 25, 2005

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kellywb said:

You guys are great! Swap out the TPS in under 10 minutes. Started the D and the idle was at 2500RPM. Panic shut it off and turned it on without starting it. Pressed the gas pedal to floor 5 times and re-started. It fixed ALL of my issues. Nice idle, no more surging, and no more stuck throttle issue. All for under $40. Thanks again experts!

Kelly

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AWESOME!! Happy to help out!!