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Diagnostic tests 200 1992

posted by  someone claiming to be Build on  Sat Jan 19 07:23 CST 2019 [RELATED]

Art, that was my mistake. I meant that it might not take much of a leak to go past its limit and have big effects. Sorry about that.

The additional ECU I tested, idled the engine in park at 1200 rpm, the other two idled at a rough 700-800. When in drive, all three idled rough around 500-600. I was using the factory volvo dashboard tach for measurements. It's an automatic with the large tach and small clock. Go figure.

I think it makes sense that over compensating for one cylinder could make the others go in directions they don't need.

I'm going to investigate the injectors and spark plugs again, look for nuance and cause.

I really appreciate your help Art and Phil.

Jim





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New 1 1992 245 (LH2.4) Idle Problems, Missing, Rough Running,1000rpm+ Runs Great [200]
posted by  someone claiming to be Build  on Wed Jan 16 17:39 CST 2019 >


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