- Oct 16, 2017
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Hello I have a 1999 mustang gt that I have been working on for well over a year and still haven't found the problem. I originally bought the car off of craigslist for 3900 with 130,000 miles at the time it seemed like a good car ran fine no problems. after two weeks of daily driving it the motor went bad. the car sat for about 3 months till I then decided to take out the motor myself and take it to a shop to get it rebuilt. I then put the motor back and went for a first test drive and ran like , had no power at all. The car hesitates when I step on the throttle and when it gets to about 3 thousand rpms it suddenly grabs and has all its power back. I took it to a shop and they told me to get all 8 new ignition coils I put them in and it ran fine like when I first bought the car for about 10 miles and then started to hesitate again. After that I took out the spark plugs and noticed that the 4 spark plugs on the passenger side were running lean and the 4 on the driver side were running rich. I recently had the check engine light tester plugged in and the codes are p0301,p1130,p1150
this is what I've tried to the car since I've rebuilt the engine
-ford motorcraft coils
-ford motorcraft spark plugs
-brand new egr valve
-TPS sensor
-cleaned MAF sensor
-brand new flywheel and clutch
-rebuilt transmission
-1 new fuel injector for the code P0301
-checked if all the wiring harness connectors were plugged in properly and they were
NONE of this worked
this is what I've tried to the car since I've rebuilt the engine
-ford motorcraft coils
-ford motorcraft spark plugs
-brand new egr valve
-TPS sensor
-cleaned MAF sensor
-brand new flywheel and clutch
-rebuilt transmission
-1 new fuel injector for the code P0301
-checked if all the wiring harness connectors were plugged in properly and they were
NONE of this worked