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1998 Chrysler Concorde missing in action

Tiny
MARKL1111304
  • MEMBER
  • 1998 CHRYSLER CONCORDE
Engine Performance problem
1998 Chrysler Concorde 6 cyl Front Wheel Drive Automatic

this car is missing and backfiring really bad and flooding. When it gets to a high speed it levels out alittle any ideas?
Saturday, August 22nd, 2009 AT 11:14 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Oxygen sensor
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 (fuel contaminated with water or too much alcohol)

Sometimes, what feels like a hesitation is actually ignition misfire rather than lean misfire. The causes of ignition misfire may include:

Dirty or worn spark plugs
Bad plug wires
Weak ignition coil
Wet plug wires
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Saturday, August 22nd, 2009 AT 11:31 PM

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