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#1
12-17-2011, 12:09 PM
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89 2500 chevy throttle body injection problem
Hi my 89 chevy surged then stop injecting. I have replace a distributor ecm coil wires plugs o2 and knock sensors. Now the engine has no power And no codes. The timing is being retarded When the hesitation starts. I have checked tps and map sensors with voltmeter. What sensors control the timing? I am re working on the Fuel regulator now.
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#2
12-17-2011, 07:46 PM
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Problem solved it was the fuel pump regulator and distributor
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