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Never mind I am nowhere... Checked fuel injector wiring from EEC to injectors (white wire NOT the tan as I said earlier @ pin 59) and it shows 1 OHM resistance from EEC to #4, 5, and6,s white wire. The red wire on each shows 14.4v. Same as the right bank which is working fine. I didn't...

Never mind I am nowhere... Checked fuel injector wiring from EEC to injectors (white wire NOT the tan as I said earlier @ pin 59) and it shows 1 OHM resistance from EEC to #4, 5, and6,s white wire. The red wire on each shows 14.4v. Same as the right bank which is working fine. I didn't know...

I am finally getting somewhere. I changed the fuel filter today. I just wanted to eliminate something so simple and easy. I also got the engine warmed up a little, and got it to idle steady(ish). I then started disconnecting spark plug wires. I started with #4. No change. Then I did...

Thanks for the help! I double checked the firing order, and I had it correct. It would have been nice if that's all it was lol. I was hoping for an easy fix here. From what I read there is no EGR valve on the 91-93 4.0l. Is there anything else that may apply? I disconnected the neg...

Specs: 1992 Ranger 4.0l Manual trans 2WD. Long post. Sorry but I wanted it all out there. About a month ago the pickup started running rough. Just a rough inconsistent idle, and weak throttle response (no CEL). This was coupled with a corroded freeze plug on drivers side rear cyl...

Have you made any headway? I'm in precisely the same boat. I'm only getting a 173 code with KOER though. KOEO shows 111's across the board,but i had the battery disconnected, so of course it hosed me. Checked voltage/ohms on IAC, TPS, IAT sens. MAF (not the harness yet though, and checked...