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Old 10-07-2010
Thread Starter
Join Date: Oct 2010
Location: Louisville, KY
Posts: 1
Engine pinging

My name is Carroll and I am a new member. I have a 1993 Ford Ranger XLT extended cab 4X4 with the 4 liter V6. I do most of the repairs on my truck myself. The Ranger is still the best looking truck on the road, BUT........

My biggest concern now is the engine pinging when I accelerate even on level ground.
The '93 model does not have a knock sensor. Higher octane gas helps but does not eliminate the pinging. I have replaced the vacuum connections and the computer board was replaced once. I am sure that others have had the same problem and would like to know what they have done.
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Old 10-07-2010
djfllmn's Avatar
Join Date: Mar 2009
Location: York, PA
Posts: 5,796
try running some seafoam through it
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Old 10-07-2010
Machine090767's Avatar
RF Veteran
Join Date: May 2006
Location: Minnesota
Posts: 6,410
welcome to R-F, Carroll!
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Old 10-08-2010
ranger4.0's Avatar
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Join Date: Jul 2009
Location: cambridge, ontario
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