Have you checked the valve that is operated by the idle control unit? Is the fuel pressure correct? Checked very carefully for vacuum leaks? Larry A.
On Jan 15, 2008 8:29 AM, Edward Duntz <eduntz@hotmail.com> wrote: > I got a few responses for advice when I posted a few weeks ago but am > still having problems. Any further thoughts are appreciated. Here's the > short version of what's going on. > > This is a 1987 Wolfsburg with about 140,000 miles. Stock 2.1 engine, > recent head gasket, front and rear main seals, clutch, and ring job. > > After the van sat for over a year waiting for a water pump and a front > heater fan, it came back from the mechanic with a high and variable idle at > atart-up, especially in below-freezing temperatures, and when I first take > off, the van stumbles and hesitates for about ten seconds, then runs fine, > but still a high idle until it reaches normal operating temperature. > > Here's what's been done- replaced temp II sensor, checked and adjusted > throttle body and switch, tried two other AFMs, tried one other idle control > unit by the tail light. Nothing seems to make a difference. I suppose the > other AFMs and idle control units could have been bad, but they were > supposed to be in good condition. > > If anyone has any other ideas, I'd sure appreciate them. > > Thanks, > Ed Duntz in CT > _________________________________________________________________ > Put your friends on the big screen with Windows Vista(R) + Windows Live™. > > http://www.microsoft.com/windows/shop/specialoffers.mspx?ocid=TXT_TAGLM_CPC_MediaCtr_bigscreen_012008 |
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