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On 26 Aug 98, at 23:54, Sonny8oy@aol.com wrote: > ok, here's the updated story: > '69 FI AT, won't idle when warm. Timing OK. New plugs, wires, points, > condenser, fuel filter, fuel hose. Timing at TDC, both vac and mech advance working properly? Warm idle set to ~900? > newer symptoms/diagnoses: > seems to run a bit better when it is cooler (50-60 deg); and stalls when > hotter (80-100 deg). the stalling happens when in gear (e.g. sitting at > the lights). Jim asked if it would idle if shifted into neutral: yes, it > almost always will. However, just as it is showing signs of dying, the > oil light flickers, rather than the gen. light. Keith's post a day or two > ago has made me paranoid the engine is about to give up. An occasional flicker or dim glow is considered "normal." Has anyone ever replaced the vacuum modulator on the AT. If so, and if they did not adjust it, then this could cause abnormal drag at idle. See Bentley. > runs fine when it's going except moving off from a standstill, when > there's a second or two hesitation. struggles a tad more than i feel it > should on hills. The throttle valve switch might be out of adjustment, or busted or worn out. > valve adjustment is due any day now (3k ago). Always a good thing to check. > 158k miles on engine (valve job only at 90k). Probably fine. > it is leaking oil from the oil cooler seal (to be replaced this w/end); > would this make a difference? Not unless you're adding a quart of oil every 50 miles ;-) > the only fuel hose i haven't replaced yet is the one that goes from the > pressure sensor to underneath the intake air distributor. it's in good > condition at the p.s. end but very slightly cracked at the air dist. end. > again, would this make much of a difference? Depends on whether it makes a good seal or not. Very small leaks only at the intake air distributor end will not have any effect. Jim - ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ------------------------------------------------------------------- Search old messages on the Web! Visit http://www.vwtype3.org/list/