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Pinging 200 1991

If pinging is the symptom, perhaps you should be swapping the ignition controller. That's logic, although experience says those things never go bad.
If the fuel system (mixture) was the cause of pinging so repeatable the ICU cannot compensate, codes and a check engine light would certainly result. In other words, if you split the AMM hose or had a faulty fuel pressure regulator on your 91, the OBD in the fuel side would alert you to that long before pinging would result.


--
Art Benstein near Baltimore

Since it's the early worm that gets eaten by the bird, sleep late.






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New timing adjustment needed on my volvo 240? [200]
posted by  sparro  on Thu Jul 18 23:24 CST 2013 >


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