
1988 Mercury Grand Marquis 5.0L Hesitation, Surge, Misfire
Need some help with this Mercury 5.0 vehicle was towed in due to running bad. Test drove vehicle and started to break down as if it had a bad TPS. looses power at certain parts of Throttle position and then it's ok past half past throttle position. Checked TPS...
FIX posted 7/18/2004
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)14 Replies Received(Hide Replies)14 Replies Received |
Message Closed w/FIX
|
VIN | [No VIN Available] |
Engine | 5.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / SEFI |
Emissions | Ca. Emmisions |
Symptoms | Hesitation, Surge, Misfire |
Occurs | Always, Under Load |
Trouble Codes
41 | lean exhaust |
91 | lean exhaust |
Message Closed w/FIX
Vehicle Data
1988 Mercury Grand Marquis
VIN | [No VIN Available] |
Engine | 5.0 L / 8 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | FI / SEFI |
Emissions | Ca. Emmisions |
Symptoms | Hesitation, Surge, Misfire |
Occurs | Always, Under Load |
Trouble Codes
41 | lean exhaust |
91 | lean exhaust |