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Diagnostic tests 200 1992

posted by  someone claiming to be Build on  Fri Jan 18 14:58 CST 2019 [RELATED]

I installed a new Bosch O2 sensor and have the same rough idle results.

I tried a different know-good ECU and have the same rough results. Though it did idle a bit higher with this ECU, oddly enough.

I found a slit opening in the AMM to throttle body accordion hose. Fixed it and got the same rough results.

Haven't tested the fuel pressure yet. I did remove the vacuum to the fuel regulator and there was no change at any speed in any way. What does this mean?

Thanks Phil and Art, 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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