My son has an 04 mustang 3.8 v6. Having a engine problems and can't seem to figure out what is going on. It starting running really bad a day or so after filling gas tank. We suspected bad gas and treated as such. A couple of weeks have gone by and it is getting worse. It starts up OK and runs OK for 10-15 mins. Then it starts skipping and cutting back. It will shut off a few minutes later. It may restart one time, but will not stay running. If we wait a few hours it will restart and run OK for 10-15 mins. We have replaced plugs, wires, and coil pack. Diagnostics only gives a running too lean code every so often. Fuel pressure was running around 17-20 psi and drops below 10 at times. Installed new filter and pump, but did not fix the issue. What shou

Asked by GuruW6G5H May 25, 2018 at 08:43 PM about the 2004 Ford Mustang Coupe RWD

Question type: Maintenance & Repair

3 Answers

Your Answer:

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