noise on accdeleration - Ranger-Forums - The Ultimate Ford Ranger Resource


2.3L & 2.5L I4 Tech General discussion of 2.3L and 2.5L I4 Ford Ranger engines.

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Old 06-18-2008
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Join Date: Jun 2008
Location: Paris, IL
Posts: 14
noise on accdeleration

Ok. For some time now I have been battling this sputtering and crackling sound when I accelerate. It was accompanied by a p0171 lean code as well. I discovered something interesting last night. I put the car in neutral and revved it up. I could not produce the noise. The noise has always happened on acceleration and after 2nd gear. Any thoughts on this? Oh an p.s I had the transmission fluid changed about 2 weeks ago.
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Old 06-18-2008
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Join Date: Nov 2005
Location: Elizabeth City, NC
Posts: 767
Sounds like pinging from a vaccuum leak.

Inspect all your vaccuum tubes, particularly the large one to the PCV.
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  #3  
Old 07-07-2008
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Join Date: Jun 2008
Location: st pete
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i had a problem like this. it is annoying. i actually fixed it without knowing it. someone told me it was the catalytic conveter. and when i installed my new exhaust the noise dissappeared. my little brother was the one who pointed that out. lol. i asked my friend why this fixed and he said something about back pressure and i didnt unstand anything after that. lol hope this helps
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