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post #1 of (permalink) Old 04-03-2000, 02:45 AM
racemedic
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now it pings

I have a 93 with a 5.8L. For about the last week it has been pinging when I go up the hill (mountain from about 1500ft to 4500ft) to go home. I haven't done anything to it recently that would cause this. My Haynes manual shows how to adjust the timing but my Chilton one says not to. Also what does the octane rod in the distributor do.
Thanks
Bob

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post #2 of (permalink) Old 04-03-2000, 08:27 AM
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Re: now it pings

Sounds like you got a bad tank of gas. Did it start after you filled up recently? If new gas doesn't work, I'd start looking towards the EGR valve to be defective.

post #3 of (permalink) Old 04-03-2000, 07:49 PM
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Re: now it pings

It could be bad gas... I always use the middle grade in my 88. Otherwise it will ping under load. It could also just be time for a tune-up. New plugs, wires, cap & rotor. An engine very rarely just "goes out of time"

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post #4 of (permalink) Old 04-03-2000, 08:26 PM
 
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Re: now it pings

I had the exact same problem. I replaced my spark plugs and wires. It went away after that and I got more HP and throttle response. Get Ford Motorsport wires if you do replace your wires.

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post #5 of (permalink) Old 04-03-2000, 11:11 PM
racemedic
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Re: now it pings

Thanks for the info. It's not the gas that was the first thing I did. It hasn't been that long for the tune up (about 2500mi) new plugs, wires, cap and rotor. I will check the wires this weekend and also the EGR.
Thanks again
Bob

post #6 of (permalink) Old 04-04-2000, 07:21 PM
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Re: now it pings

Check your coil, weak spark also causes a ping on load. Pull the coil wire off the dist, then set it on somthing metal (alt, bracket), crank the engine, if it cracks loud and you see a blue spark your ok, if no noise or spark you need to replace it. Or if you have tester for spark duration and strength, that would be easy.

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