What causes severe power loss?

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Sunfire GT. Wont Rev past 4k. Very slow accelaration. When r.p.M's reach 4k lose most if not all power. Cat??? Fuel pump?? Not sure where to start.

CRS1 in Auburn WA

Sep 30, 2015

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What are the best Pontiac repair shops?

RepairPal Certified shops can diagnose and repair your 1997 Pontiac Sunfire. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

Popular Answer

What causes severe power loss?

What is your question?

Sunfire GT. Wont Rev past 4k. Very slow accelaration. When r.p.M's reach 4k lose most if not all power. Cat??? Fuel pump?? Not sure where to start.

CRS1 in Auburn WA

Sep 30, 2015

1 Reply

Popular Answer

pushrodon Sep 30, 2015

Start by testing to help diagnose problem!... Full scan test with live data view, engine vacuum test, fuel pressure test.. Anything less than that is only guessing at it... Anybody can do that but... It doesn't help!

CRS1on Oct 1, 2015

Thanks. Previously the check engine light read cat & 02 sensor. Light went off by itself for Months ago. Yesterday the anti-theft light came on a few times which immediately killed the engine. Any relation? I will try to have a full diagnostic done soon.

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Popular Answer

What are the best Pontiac repair shops?

RepairPal Certified shops can diagnose and repair your 1997 Pontiac Sunfire. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.