Wolfie_85
Well-Known Member
- Joined
- April 20, 2014
- Messages
- 498
- Reaction score
- 7
- City, State
- Iowa
- Year, Model & Trim Level
- 1994 Ford Explorer XLT
Alright, it warmed up outside, and I haven't been using addatives in my fuel. When it was still cooler out, it pinged a little, but nothing like now. It's not constant, but accelerating between 2 and 3k RPM, it's there. I'm thinking temp related. No overheating, though.
Steps I've taken so far:
New MAF (wiring looked ok, have new connector just in case).
Pulled octane shortening bar (STILL pinging)
The head gasket has been replaced recently (this SHOULD rule out intake manifold gasket and carbon buildup).
Temp sensor? The one that goes to the PCM, could that be it? Dunno where to go next. EGR? Vacuum seems ok. Gonna pull codes tomorrow, even though it's not throwing a CEL. Could a belt tensioner mimic the sound of ping?
Steps I've taken so far:
New MAF (wiring looked ok, have new connector just in case).
Pulled octane shortening bar (STILL pinging)
The head gasket has been replaced recently (this SHOULD rule out intake manifold gasket and carbon buildup).
Temp sensor? The one that goes to the PCM, could that be it? Dunno where to go next. EGR? Vacuum seems ok. Gonna pull codes tomorrow, even though it's not throwing a CEL. Could a belt tensioner mimic the sound of ping?