Hey Guy’s…

I’m new to the forum, and the Ranger world. But not to Fords, have owned a few including a few Lightnings. Anyway

I recently picked up a 2008 2.3l Ranger. But I seem to have pinging at the top of the gear before it shifts, only when under-load like going up a hill ect.. Seems to todo this at around 2200-2500 RPM

She’s got 110k miles, Always maintenance at ford dealer, records to show.

Anyways, This is what I have done so far

Fresh Motorcraft Plugs- .44 Double Platinum
New Air Filter
New Fuel Filter
Cleaned MAF

Could it be a partially clogged EGR valve? Or Timing Chain Rattle? Although it dosen’t seem to be a problem on these newer Rangers

Truck runs strong, Idles perfect and no oil burning.

PS: I run 87 Octane, I have tried 91 but I’d have to test again since the tank was half way full with 87 before adding 91

Thanks in advance


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Probably carbon build up in the heads. At 110,000 miles I would doubt a bad EGR valve. A timing chain rattle would be evident all the time.

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It can very well be, I know the truck has been lugged around most of the life as it was used to be driven inside a naval base.. Very rarely did it hit the highway.. I’m sure it idled a bit too..

Last night I filled it up with 91 on an empty tank, and put it away.. I will continue to do some testing , if 91 octane fixes the problem I will pull the plugs and sea foam the cylinders


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If 91 octane stops the pinging either seafoam or have the timing set back 3 degrees.

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Hi dvrich,

How would I go about setting back the timing some? With a tune?


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