2002 Toyota Camry ENGINE SURGE

Tiny
HANKTODD
  • MEMBER
  • 2002 TOYOTA CAMRY
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 95,000 MILES
CAR SURGES WHEN THROTLE IS HELD AT CONSTANT SPEED.30, 40, 50 MPH ETC. OR AT DRIVEWAY SPEED. I RECENTLY HAS A CERTIFIED MECHANIC RE--FLASH THE PCM AND THAT DID NOT HELP.

CHECK ENGINE LIGHT IS NOT ON.
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Monday, August 11th, 2008 AT 9:02 PM

1 Reply

Tiny
RASMATAZ
  • MEMBER
Possible Causes:

Dirty fuel injectors (cleaning the injectors often fixes this).
Bad MAP (manifold absolute pressure) sensor
Bad TPS (throttle position) sensor
Bad or dirty MAF (mass airflow) sensor
Low fuel pressure (leaky fuel pressure regulator or weak fuel pump)
Vacuum leaks (intake manifold, vacuum hoses, throttle body, EGR valve)
Bad gasoline
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Tuesday, August 12th, 2008 AT 1:41 AM

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