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91 240 rough running 200

posted by  someone claiming to be Russ on  Sat Nov 9 12:15 CST 2024 [RELATED]

91 240 sedan, auto trans. CEL 212. Past 3 weeks show rough running at idle, slow acceleration, not wanting to get much above 60 mph. Both fuel boost pumps test using the #4 fuse jumper to #6 fuse. Fuel pump relay pin 30 has 12 volts and all solder joints are good. MAF and throttle body cleaned 2 weeks ago and O2 sensor was replaced. Fuel pump relay is not engaging in key position II. Tried a known working relay with the same results. Any suggestions?






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New 91 240 rough running [200]
posted by  someone claiming to be Russ  on Sat Nov 9 12:15 CST 2024 >


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