help with pinging - Ford Mustang Forums : Mustang Forum
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post #1 of 3 Old 05-28-2017, 09:49 AM Thread Starter
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help with pinging

ok im new to the 4.6 my 98 gt has started to ping when i load the motor i.e. cruising along and jump on it and I dont know if these have knock sensors or what else would cause this, I tried 93 oct that didnt help, I havnt done any changes to make this start, also my speedo only works when it wants to, my O/D light starts fllashing I repplaced the speed sensor on the rear of the tranny and it didnt fix the problem could the other sensor be the problem

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post #2 of 3 Old 05-28-2017, 11:29 PM
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You will need to pull codes on the car before anyone can help you. First guess, I would say your fuel filter hasn't been replaced in a gazillion miles, your speedo is going out, and some solenoid inside your trans is causing the flashing light.

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post #3 of 3 Old 07-12-2018, 07:50 PM
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Posts: 2 sounds like the speed sensor for the computer isn't working. This will confuse the computer and the OD light will flash and the shift points will change and it will do crazy things like lock up too soon causing the motor to ping.
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