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#1
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560 loss of power
1990 560 sel, after running 8-10 miles car sluggish and rough idle. cleaned the idle control valve still goes on. is this an icv going bad.adjusted the mixture to get it to idle.
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#2
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idling
if i unplugg the icv the rpm's go up so what does that mean?
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#3
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That the ICV goes open with no power.
You need to check for vac leaks -- rubber idle control valve hoses, tranny line, climate control lines, any switchover valve lines, boot between fuel distributor air horn and throttle valve, injector and injector holder seals. Judicious use of brake parts cleaner or carb cleaner spray aimed at suspect locations will help you diagnose leaks -- a quick squirt that causes the idle to change (almost always smooths out) indicates a vac leak. If the idle control valve hoses are rock hard, you should relace the boot between fuel distributor air horn and throttle hody as well, it's the same age. Peter
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1972 220D ?? miles 1988 300E 200,012 1987 300D Turbo killed 9/25/07, 275,000 miles 1985 Volvo 740 GLE Turobodiesel 218,000 1972 280 SE 4.5 165, 000 - It runs! |
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