1999 Mercury Tracer Failing to perform

1999 MERCURY TRACER
140,000 MILES • 4 CYL • FWD • AUTOMATIC
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M&M0615
  • MEMBER
  • 1 POST
When I start off the Transmission works well. After about five to ten miles the transmission has problem making it over a mole hill. It raves over 4000rpm's and it can not go over 25 miles per hour. What's happening????
Aug 13, 2010 at 11:26 AM
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RASMATAZ
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 75,992 POSTS
If it's not slipping-see below:

Lack of acceleration,chugging,hesitating,bogging,misfiring etc. could be caused by one of the following below:

Start here-inspect and test all the items below and comeback with results.

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.
Aug 13, 2010 at 10:11 PM