1999 Mitsubishi Eclipse

1999 MITSUBISHI ECLIPSE
160,000 MILES • 4 CYL • FWD • AUTOMATIC
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SAVVY09
  • MEMBER
  • 1 POST
So I have this 99 Eclipse, and sometimes (not always) when I'm sitting at a light. The car seems to slip out of 1st (is that possible?) and it feels like it's in neutral cause when I lightly put my foot on the gas pedal the car won't move forward but the RPMs rise like they normally would, but when I let off the gas pedal the car kind of jumps forward.

I'm wondering what could be the cause of this.

Also, the car seems sluggish to get up to speed. I just recently had the gaskets and spark plugs replaced.
Sep 23, 2010 at 1:20 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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RASMATAZ
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 75,992 POSTS
Lack of acceleration,chugging,hesitating,jerking,bogging,misfiring etc. could be caused by one of the following below:

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock 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.

Note:If it doesn't apply disregard it.
Sep 25, 2010 at 8:39 PM
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