1993 Mercury Grand Marquis GS 4.6L Poor Idle Quality, Hesitation, Surge, Cuts out
Vehicle comes in sputtering most of the time...once in a while, it will start and run just fine. Vehicle seems to load up, and then backfire when cleared with throttle blip. Work listed was done at another shop. Runs on highway pretty decent, do not feel cats ...
Summary posted 10/30/2012
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 12 Replies Received (View Replies)12 Replies Received (Hide Replies)Related Documents & MediaRelated Documents & Media |
Message Closed w/Summary
Vehicle Data1993 Mercury Grand Marquis GS
Trouble Codes
|
Message Closed w/Summary
Vehicle Data
1993 Mercury Grand Marquis GS
VIN | 2M2LM75W6P |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / MPFI |
Emissions | OBD1 |
Symptoms | Poor Idle Quality, Hesitation, Surge, Cuts Out |
Occurs | Always |
Trouble Codes
172 | EGR not switching lean bank 1 |
176 | EGR not switching lean bank 2 |
181 | cruise rich still lean bank 2 |
186 | inj pulse width hi or MAF too low |
189 | Cruise rich still lean bank 1 |
332 | EGR valve not opening |