HESITATES, STALLS, IDLES ROUGH, NO POWER

1993 Toyota Camry

Tiny

jschroeder

June, 3, 2008 AT 9:52 AM

Engine Mechanical problem
1993 Toyota Camry 4 cyl Front Wheel Drive Automatic 250000 miles

We are having problems with our son's '93 Camry. When he tries to accelerate it hesitates and then is very sensitive to throttle input. If you give it too much input it will just chug and barely runs. It's hard to even get the car up to normal driving speed. Even if you can get the car up to speed, it still has very low power. At idle it runs rough or stalls. Our next door neighbor is a mechanic (40 years) and he can't figure out what is wrong. We've changed the fuel pump, fuel pressure regulator, performed a full tune-up, checked the timing (set correctly), replaced several of the sensors (don't know what they are called), and a number of other things, but we can't get it to run properly after all of this. We have even checked the compression (still good), the spark at all 4 plugs, and the fuel pressure and everything in these areas checks out good. Is there something with this engine that causes this problem that my neighbor is missing? Please help. Thank you!

FOUND 4561 RELATED QUESTIONS

Running Rough

27 ANSWERS
34 IMAGES

Idles Rough/changed Ects

37 ANSWERS
3 IMAGES

2 Answers

Tiny

mastertechtim

June, 3, 2008 AT 11:06 AM

Replace map sensor. Common for this condition in this vehicle only. There was a recall back in the day for the geo prizm which uses the same engine. Hope this helps

Tiny

KHLow2008

June, 3, 2008 AT 11:09 AM

Hi jschroeder,

Have you checked the Throttle Position Sensor, MAP and distributor?

Any diagnostic scan done to get sensor operations data?

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