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1996 Toyota 4Runner Jerking

Tiny
KRAVSTEVE
  • MEMBER
  • 1996 TOYOTA 4RUNNER
  • 4 CYL
  • 4WD
  • MANUAL
  • 193,000 MILES
My car jerks a lot first thing in the morning (only in the morning). I had the clutch looked at and their wasn't a problem. It usually when its real cold but it will jerk until it's warm or I'm around 70 mph. I haven't had my fuel filter replaced in a long time. Could it be a fuel problem? But again, it only happens first thing in the morning and only if it's cold out.
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Thursday, March 25th, 2010 AT 7:49 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Hi kravsteve, Welcome to 2carpros and TY for the donation

Jerking, Hesistating and Surging could be caused by the following:

Oxygen sensors.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

If it doesn't apply disregard it
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Thursday, March 25th, 2010 AT 6:01 PM

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