ok i wrote similiar questions but i still have the same problem. you can run the car, it works fine until it heats up, then you can press on the gas till your foot falls off and it just wont go, it actually sounds like it backfires, you can rule out the following: changed maf, changed tps, charcoal canister good, fuel pump good,. i'm kinda suspecting maybe the egr valve, but not sure, is there anyone out there that can help, please, i'm really starting to hate this car. oh, yeah i got code po171 and po172 and sometimes the check engine light starts to flash, somebody help before i junk this damn car
2006-11-25 17:08:41 · 7 answers · asked by rjlexpress@sbcglobal.net 1 in Cars & Transportation ➔ Car Makes ➔ Ford
I looked up code po171 and it's a Engine air fuel mixture running too lean. I would check your Oxygen Sensors and the EGR. If they check out good, you might just have a manifold problem (very notorious on fords). Rule out bad injectors because you'd be plowing white smoke (incomplete combustion) and you'd have a very bad tick sound out of the motor.
2006-11-25 17:54:41 · answer #1 · answered by Al B. 2 · 0⤊ 0⤋
I also have a ninety 8 V6 with 153,000 miles I even have owned for over 9 years. it particularly is a large automobile, very stable, has in no way made me walk homestead. I even have twin exhaust too, besides as chilly air intake, throttle physique spacer, and that i've got reflashed the workstation with a Predator tuner. I nonetheless get 30 mpg on the line. the only factor i'd exchange on my automobile is extra skill. It got here with a hundred and fifty hp inventory, which isn't sufficient. Oh and by the way, the 5.0 V8 purely went as much as 1995. From 1996 on, it exchange into the 4.6 V8. I even have heard the ninety 4-ninety 5 V6 had head gasket worry, yet they could have fixed it by ninety 8 because of the fact mine are effective.
2016-10-04 09:13:33 · answer #2 · answered by ? 4 · 0⤊ 0⤋
You are reading a lean/rich mixture. One of the two since p171 is a lean code and p172 is a rich code. Your car has upstream and downstream oxygen sensors. Your problem definately sounds like an oxygen sensor, as they control the lean/rich mixture of fuel to air on your car, especially once the car is warmed up.
2006-11-26 14:52:49 · answer #3 · answered by zacsaylor 1 · 0⤊ 0⤋
check your vacuum lines make sure the car is running smooth when cold and you don't hear and air leak if you do find it depending on the milage of that engine it could be your base engine timing that the timing chain guide is worn out causing the cam shaft to be out of time possible if vehicle sat for a while fuel rail could be clogged check the fuel pressure regulator before checking the cam shafts
2006-11-29 14:45:57 · answer #4 · answered by Rich D 2 · 0⤊ 0⤋
head gaskets possibly well here try these things. Fuel filter fuel pump fuel system maintenance cleaner from STP or check your fuel pressure regulator. just came to thought is your cats plugged? See this is the problem with computer cars you can never get the dang things to run right. try another thing too is your coolent temp sensor
2006-11-25 21:43:06 · answer #5 · answered by Anonymous · 0⤊ 0⤋
Code 171 means System to lean (right cylinder bank)
Code 172 means System to rich (right cylinder bank)
So I think is you got bad injectors.
2006-11-25 17:54:23 · answer #6 · answered by George K 6 · 0⤊ 0⤋
the ses is flashing because the computer is seeing a miss fire. try doing a tune-up with plug wires and see.
2006-11-25 21:18:55 · answer #7 · answered by Anonymous · 0⤊ 0⤋