1999 grand marquis stalls ?

Asked by 2578Ford Dec 26, 2023 at 12:20 PM about the 1999 Mercury Grand Marquis 4 Dr GS Sedan

Question type: Maintenance & Repair

engine stalls out on right hand turns above 15 to 29 miles per hour , starts back
up and runs fine but next right turn it does it again

2 Answers
307,265

Gene answered 4 months ago

First thing to check for is wiring issues, especially ground pathways, it only takes one bad ground to cause problems. Next a live data scan, could be a PSS or ISC dropping out. Then fuel pump problems, inertia switch.

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38,945

beatupchevy answered 4 months ago

Take a close look for any obvious wiring problems , turn the wheel while standing see if it happens , Mice can invade even a daily driver

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