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Old 07-05-2019, 11:02 AM   #1
99clipsvic
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Ecu problem? Please help

Any help is appreciated. A short while back I jumpstarted the car and crossed the negative with the positive terminals not paying attention. It popped the hundred amp fuse and caused an array of problems. After replacing one of the fried coil packs, all the plugs and wires, the fried ignition control module,the knock sensor and front o2 sensor(for good measure), the car is still having issues. Car runs fine in close loop. But as soon as it hits open loop, once I get on the boost over 10 psi(estimated), the car starts misfiring and going into limp mode. I’ve looked at the ecu and everything seems to be fine. No blown capacitors. Please advise. [email protected] is my email.
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Old 07-05-2019, 11:03 AM   #2
99clipsvic
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Oh. Most important thing. It is a 99 gst
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