grand marquis 2001 engine stalls
elsiesocool
10-02-2008, 11:09 AM
We have a 2001 grand marquis that stalls while running. The temperature light on the dash turns on, check engine light also turns on and the car stalls. I put the car on neutral and restart it, runs well for a while and does the same thing over and over. The car has been scanned but nothing comes up. What can it be?
way2old
10-02-2008, 12:11 PM
Here is some information for you. Believe it or not, the Coil on Plug ignition system can cause this problem. Here is an OASIS report on the issue. I was going to post the TSB, but it is very long and has lots of charts that may not show. So I have highlighted the TSB in red for you. Hope this helps.
19183 1998-2005 MULTIPLE VEHICLES - WARNING LIGHTS FLASHING - TEMP GAUGE PEGGED HOT OR COLD - TACH OR SPEEDO BOUNCE - DRIVEABILITY CONCERN - UNEXPLAINED DTC'S
SOME 1998-2005 VEHICLES EQUIPPED WITH A GAS ENGINE THAT USES A COIL-ON-PLUG (COP) SYSTEM MAY EXHIBIT ONE OR MORE OF THE FOLLOWING CONDITIONS DUE TO RF INTERFERENCE ON THE SCP/CAN NETWORK: ABS LIGHT FLASHING, A FLASHING FAIL SAFE COOLING LIGHT, TRACTION CONTROL LIGHT FLASHING, INTERMITTENT 'BUMP'(MISS), TEMP GAUGE PEGGING HOT OR COLD, TACH OR SPEEDOMETER BOUNCE, BUCK/JERK AT CRUISE, AND/OR UNEXPLAINED CODES. THERE ALSO MAY BE AN INTERMITTENT LOSS OF RPM. PRIOR TO FOLLOWING NORMAL DIAGNOSTICS FOR THE SYMPTOM, USE TSB 05-22-08 TO DETERMINE IF THERE IS A CONCERN WITH A COP. MONITOR POWER BALANCE TO SEE IF A CYLINDER IS DROPPING OUT DURING CONCERN. IF POWER BALANCE CONFIRMS A CYLINDER DROPPING OUT AT THE TIME OF THE CONCERN, PERFORM THE COP STRESS TEST FOR THE SUSPECT CYLINDER'S COIL TO VERIFY INTERNAL COIL SECONDARY FAILURE.
19183 1998-2005 MULTIPLE VEHICLES - WARNING LIGHTS FLASHING - TEMP GAUGE PEGGED HOT OR COLD - TACH OR SPEEDO BOUNCE - DRIVEABILITY CONCERN - UNEXPLAINED DTC'S
SOME 1998-2005 VEHICLES EQUIPPED WITH A GAS ENGINE THAT USES A COIL-ON-PLUG (COP) SYSTEM MAY EXHIBIT ONE OR MORE OF THE FOLLOWING CONDITIONS DUE TO RF INTERFERENCE ON THE SCP/CAN NETWORK: ABS LIGHT FLASHING, A FLASHING FAIL SAFE COOLING LIGHT, TRACTION CONTROL LIGHT FLASHING, INTERMITTENT 'BUMP'(MISS), TEMP GAUGE PEGGING HOT OR COLD, TACH OR SPEEDOMETER BOUNCE, BUCK/JERK AT CRUISE, AND/OR UNEXPLAINED CODES. THERE ALSO MAY BE AN INTERMITTENT LOSS OF RPM. PRIOR TO FOLLOWING NORMAL DIAGNOSTICS FOR THE SYMPTOM, USE TSB 05-22-08 TO DETERMINE IF THERE IS A CONCERN WITH A COP. MONITOR POWER BALANCE TO SEE IF A CYLINDER IS DROPPING OUT DURING CONCERN. IF POWER BALANCE CONFIRMS A CYLINDER DROPPING OUT AT THE TIME OF THE CONCERN, PERFORM THE COP STRESS TEST FOR THE SUSPECT CYLINDER'S COIL TO VERIFY INTERNAL COIL SECONDARY FAILURE.
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