I have an intermittent fuel pump issue with a 1999 Cougar 4 cylinder. I have no owners manual and cannot find which relay is for the fuel pump... Anyone have a relay number ( inside fuse box R1 R2 R3 etc) or know the exact position? ThaNKS CRAIG
Although I hate formoco products in general for their lack of forgiving engineering design, I love their approach to electrical diagnostics and very specific pin test flow charts, which rarely leave me staring at an electrical problem wondering how many hundreds of dollars I might just spend of a clients money cuz I went blind into a problem thinking an oBD2 code said X or Y sensor circuit or whatever is in fault.
This a wrong and bad approach to diagnostics. Costly in the bank dept, mental health dept, and time dept. I rather have fun with life and follow instructions, that just blindly throwing parts at a car with wishfull thinking.
If you found my response and adequate wiring and connector views and flow charts and comments condescending. I would ask you to read the FPDM flow chart again.
You may just find a rotten/corroded ground, instead of a PCM, FP module, FP relay, FPDM module etc.
Wiggle test, that is always a intermittent winner or a hard short or open fault finder. Your voltmeter is your best friend.
If you have absolutely ascertained that all wiring and related circuitry paths are pristine, then it is time to invest in costly modules once you have sherlocked holmed which one!! through proper investigation.
Not before. There is no magic pill when it comes to these types of problems. The algorithm is to precise.
On that note, good luck, and think before you leap to spend money for lack of proper literature and know how.
If you did find my comments condescending, say so. But at the end of the day, you will probably get over it when you follow directions and your wallet is thanking you for that.
Sure, but first, can you get me the date of fabrication, it will be on the tire information/inflation tag on driver side door or door jam. Should give date of birth of this car.Do you have a cess to a diagram for the 2.0 from the fpdm do to the fuel pump? Showing the fuel pressure sensor also?