1998 Saturn SL2 powerloss

143,000 MILES • 4 CYL • FWD • MANUAL
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APRILHARWOOD
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  • 1 POST
My car keeps losing power and jerks a lot when you get passed 65 miles per hour. We have replaced the following item, air filter, oil filter, fuel filter, both coil packs, spark plugs, spark plug wires, upstream o2 sensor and value cover gasket. We ran out of ideas please help...
Aug 9, 2010 at 12:00 PM
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SONORAHIKER
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  • 10 POSTS
have you tried the throutle positioning sensore or the crankshaft sensor test to make sure theres resistence if not there bad
Aug 19, 2010 at 7:33 AM
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