engine sputters after warming up

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after warmup the motor loses power when you step on the gas,my mechanic replaced the module/coil/distributor/fuel filter and checked the computer it still does the same,he suggested going to a toyota dealer to see if they have any idea on why it does this,we have 288,000 miles on it.any help would be appreciated and right now toyota has their hands full.how about the fuel pulsation dampner?

alfred11s in Garden Grove CA

Feb 25, 2010

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RepairPal Certified shops can diagnose and repair your 1995 Toyota Corolla. 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?

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engine sputters after warming up

What is your question?

alfred11s in Garden Grove CA

Feb 25, 2010

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danddon Feb 26, 2010

I would check the TPS, I have seen this on a few Toyotas, but it is hard to diagnose. Are there any codes? How is the compression? The fuel dampener can be checked with a fuel pressure test, did your shop do that ? What is the fuel pressure, a weak pump could do this, or an old fuel filter, so many things. Oh yeah, check the opening of the EGR, too much EGR will do this as well, and the EGR does not come on when the engine is cold. Best of luck!

Visitoron Jul 27, 2010

This might be helpful to me but I don't even know what the TPS or the EGR is:o(

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Popular Answer

What are the best Toyota repair shops?

RepairPal Certified shops can diagnose and repair your 1995 Toyota Corolla. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.