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Question to get $500 89 240 going... 200

"Car will sometimes run at idle for short time and then dies."
Does it do this with the AMM disconnected?



Have you tried another fuel relay?


Does your 556 have a mustard label? If so it is prone to the same failures (no ground to the ECU/Fuel relay) as the infamous pink 561.
Try providing a ground to the blue/green wire of the fuel relay, if it runs the ECU is the problem.

Other ECU's 556 white label and 933 will also control EGR.

Dan






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