92 ford aerostar
have a 1992 3.0 aerostar. 90k miles. Was running great until about two months ago. When in the morning I would start it an it would surge from stalling to idle. If I accelerated for 10 seconds it would run fine the rest of the day. Last Sunday I started it
It stalled out and wouldn’t start. It starts now but the engine runs really Rich. Black smoke out the exhaust. Does anyone know if there is a common? Problem like this out there, that usually turns out to be the some switch. I changed the oxygen sensor, throttle position, fuel reg value. When I start it cold runs not bad for a minute or so then starts with the rich mixture. running out of things to replace. I would like to narrow it down to a few things if possible anyone have any Idea Its a good van but has a senor or something screwing things up. thanks |
RE: 92 ford aerostar
Try to check for codes on the ECU. If it only seem to be something about the cold start, then try replacing the ECT sensor, it near the thremostat.
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