Ford Escape 2006 V6 3.0 engine is pinging

Asked by GuruV13ZW Aug 28, 2018 at 12:07 PM about the 2006 Ford Escape XLT AWD

Question type: Maintenance & Repair

Hello, I have tried everything possible to get rid the pinging noise from my Ford
Escape, change spark plugs, coils, air filter, fuel filter, EGR, clean the MAF and
clean fuel injectors but the pinging continues, it does not shows anything on the
dashboard or any code at all. Pinging occurs when I push the gas or in climbs,
what else can cause pinging. Thank you I appreciate your help

3 Answers

44,010

That pinging sound is "spark knock" or "engine knock" and it can be very damaging to the engine. If you have to continue driving it, drive it very gently to reduce the that ping as much as possible. Neither engine for this vehicle has a "knock sensor" which retards the spark to eliminate the knock. So the only remedy is to go to the highest grade of gas you can find. (Go to a different gas station this time.) Gasoline octane ratings go from about 86 to 93 in most areas. Try to catch your fuel at it's lowest level and then fill up with 93 gas. This will quickly bring up the octane level and might stop the knock. There are also canned additives that do this. The question is why is this happening? Wrong spark plug heat range can do it, overheated engine, carbon coated combustion chamber, bad gas. Keep/find you gasoline receipts. Save a sample where you got "bad gas". Some refinery might be buying you a new engine. I used to work for Quaker State. I know how things happen and who pays.

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