My 92 240 is a no start. It started to run poorly, missing shaking and no throttle response. It threw a 1 2 1 code indicating an AMM problem. Compression is good and even across all 4 cylinders, there is spark at the plugs. So far I have changed the AMM, ECU,and the pressure control valve from another running Volvo. The engine coolant sensor resistance is within specs. If I remove the spark plugs,dry them off and re intall, the car will start and run for a few seconds and then flood and stall. kWhat have I missed? Any suggestions would be appreciated.
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