1999 Ford Windstar Repair Question
Asked on January 14, 2011
1999 Ford Windstar pings under acceleration
1999 Ford Windstar mileage: 108,000. Fairly frequent ping while under mild to moderate acceleration between 1300 and 2200 Rpms. The Ford dealership has done several adjustments in accordance to Ford Tech Service bulletins. I have tried mid and premium grade gas. All changes have made no improvement. From the questions posted, this seems to be a common problem with a lot of newer vehicles. Suggestions/Recommendations? Besides, trading for a different vehicle? Thanks.
Answer
Replied on January 14, 2011
Some Ford engines are not equipped with knock sensors. Yours may be one of them. Located in the wiring loom, close to the ECM, is a "jumper" that when removed retards the timing 4 degrees. This should correct your pinging problem.