pinging

I have been using the Forums for a couple of years now, just hiding in the Shadows and getting what I need to carry out the little chores that come up with any older used Vehicle, in this case it started with a 91 ranger(wrecked) and was replaced by a 1994 Explorer XLT... Wanted to say Thanks...

Hey guys, long time lurker first time poster here. I've got a 92 XLT that I built into an overlanding truck and started my Pan-America Highway trip. Well, pretty soon into the trip I started getting pinging going uphill. 91 gas helped, but it was there the whole time. By the time I got to...

I have read many times on this forum that the timing chain never needs to be replaced, that it lasts the life of the engine. Well, I am calling bull. I had several problems that wouldn't go away and after I changed out the timing chain its like I have a new engine. I had a couple of...

Ok, I'm sure this topic has been covered but I can't find it here on the forum. My 1993 4.0L is pinging under load, either uphill or under prolonged acceleration. Unfortunately I cannot troubleshoot the pinging (I believe due to timing) because I didn't get the Ford Powertrain/Emissions...

I have a 91 xlt 4.0l v6...when I put my foot to the floor it makes a knocking/pinging noise...I was wondering what I can do to fix this? I am filling it with regular from chevron so its good gas...can my intake have any input on this? lack of octane? Thanks!:us:

Anybody know what the shorting block is for that comes off the ignition module (EDIS6) in front of the battery? From the wiring diagram, the shorting block connects some function between the ignition module and the PCM. Wondering what symptom might be corrected or evaluated by removing this...