Asked by GuruPQ662 Jan 23, 2020 at 03:25 PM about the 1993 Ford Mustang LX 5.0 Hatchback RWD
Question type: Maintenance & Repair
When i turn the key on to start it
would make a humming for about
3 seconds and would start right
up but now when turn the key on
it doesn't make that sound. I
replaced the fuel pump but still
don't make the sound and won't
start. Any ideas
Coffie101 answered 3 weeks ago
check your Fuel pump relay. 93 models have the FP relay in front of the passenger side strut tower in the engine bay, near the MAF sencor....you'll see 2 relays, the other one is the A/C compressor control relay. fuel pump Part number is LRS-14089A. hope this helps.
TDolby answered 3 weeks ago
Might be the inertia switch. Open the hatch, and on the left side along the back panel is a black rubber grommet. Remove that, and peer inside to push the red button on top of the inertia switch. Sometimes they get tripped or the wiring is compromised.
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