Question about 1991 Toyota Camry

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1991 Camry V6 stumbles at highway speeds (misfires?)

While driving at moderate to highway speeds, the engine seems to stumble (****). Have replaced plugs, wires, cap, & rotor. Have run several bottles of fuel system cleaner, all without success. Seems to be more severe when warm. What else should I check? Help!

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 160 Answers

SOURCE: truck stumbles just off idle

may need to have a fuel injection service,but when i worked at chevrolet i believe those year trucks were having a problem with the throttle body sticking

Posted on Nov 14, 2008

emissionwiz
  • 74678 Answers

SOURCE: stumble on accel on highway, fault P2240

O2 sensors and cat monitors will not cause this condition, try cleaning the MAF sensor, CRC chemicals makes the special spray, avail at most auto parts stores like Kragen.

Posted on Dec 03, 2008

  • 42 Answers

SOURCE: Engine lacks power stumbles @2000 rpms

under the intake manifold, above the motor mount

Posted on Dec 22, 2008

  • 34 Answers

SOURCE: Stumbles on acceleration

Well, I would replace the air filter, make sure the air hose from the air filter to the intake is not kinked or blocked and check for vacuum leaks. If these are all fine, I would check the fuel pressure as it is possible the pump is weak and not supplying enough fuel.

Posted on May 15, 2009

  • 54 Answers

SOURCE: my 1991 toyota camry is misfiring. The technician

DO THE OIL SEALS THEN!!!!!!!!!

Posted on Jun 29, 2009

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