up down...........
05-27-03, 09:31 PM
#1
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Location: San Mateo
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up down...........
My engine always up down(1500-2000 idle)
is that timing's problem?
checked about 3 days but can not find anything wrong.
and when I use digital scaner to check my car, it can't find ECU
thx
is that timing's problem?
checked about 3 days but can not find anything wrong.
and when I use digital scaner to check my car, it can't find ECU
thx
Last edited by owenxguo; 05-27-03 at 09:42 PM.
05-27-03, 09:50 PM
#2
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Join Date: May 2001
Location: FORT WORTH, TEXAS,USA
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Try to see if your tps is misrigged. Or look for the mysterious small vacuum leak. Or possibly a bac that needs some cleaning. Or possibly your REAL IDLE, is not what it should be....approx 750rpm WITH the initial set coupler installed (or the bac plug disconnected in lieu of that). Or in a pinch....a real low battery voltage/alternator output, due to whatever reason. Or whatever the next post says.
