C4 headlight repair. Mine is a 1990.
Get an Ecklers catalog or online. They sell new headlight headlight motors, rebuilt motors, repair kits and replacemnt gears. For my 1990, I was able to do the repair myself.
I bought Eckler's two repair kit #29304 for $6 each. Kit consists of three...
rough idle problem... solved
:happyanim:After checking the wiring adnauseam, cleaning and reinstalling grounds, the code 43, knock sensor circuit, continued to recur. I replaced the ECM, reinstalling the original PROM in the remanufactured ECM. I am approaching 100 miles without a problem...
I looked over wiring to the extent that I could. I did not find any obvious degradation.
I also checked the fuel injectors - all found to be about 16.2 Ohms.
I cleared codes and restarted, ECM code 43 again.
Knock sensor is new. I checked voltage between knock sensor signal wire connector...
Thanks for your inputs identifying wiring insulation breakdown as a likely contributor to my intermittent problem. The suggestions make a lot of sense. Plasticizers migrate out of PVC over time and the insulation loses flexibility. I guess they held up for twenty years. Unfortunately, I am...
1990 Coupe, 28,000 miles
Vehicle history – Plugs, wires and fuel injectors replaced several thousand miles ago, in 2007, I am not sure why. The rest is original.
Problem is intermittent and started last fall. Very rough idle and dies, rich exhaust. I read the ECM codes and then stored car...
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