Check Engine Light?

Tiny
RAFA JR
  • MEMBER
  • 8 POSTS
I LOOK FOR THE CLIPS BUT I DONT SEE ANY ITS A V6 4.2 AND I LOOK IN THE FORD BOOK FOR MY TRUCK AND I DIDENT FIND IT EATHER AND CAN U EXPLAIN WHAT YOU MENT BY THE MOTOR THAT CONTROLS THEM HAS FAILED?
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Wednesday, September 9th, 2020 AT 6:36 PM (Merged)
Tiny
RICKESC91
  • MEMBER
  • 2 POSTS
  • 1997 FORD F-150
  • 4.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 130,000 MILES
Check engine light came on had it coded said it was EGR valve, fixed it after a few miles light came on. Had it checked vapor leak had the garage fix it. After a few miles light came on again. After this back and forth several times I have replaced everything to do with the EGR system and the EVAP system has been totally gone through and check engine light is back on after thirty miles. What do I do now?
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Wednesday, September 9th, 2020 AT 6:36 PM (Merged)
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
The motor that opens and closes the runners at certain speeds for optimum performance.
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Wednesday, September 9th, 2020 AT 6:36 PM (Merged)
Tiny
CARADIODOC
  • MECHANIC
  • 33,699 POSTS
First, you need to list the exact fault code number. There' are a lot of codes related to the EGR system, and they mean very different things. Second, no fault code ever says to replace a part or that one is bad. They only indicate the circuit or system that needs further diagnosis, or the unacceptable operating condition. When a part is referenced in a fault code, that part is actually the cause of the code about half of the time. First we have to rule out wiring and connector terminal problems. Also, be aware the EGR valve itself is not what is monitored. There can be a position sensor on it that is monitored, and flow through the valve is monitored. That means you are just as likely to be looking for an electrical problem as well as a mechanical one.
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Wednesday, September 9th, 2020 AT 6:36 PM (Merged)
Tiny
RAFA JR
  • MEMBER
  • 8 POSTS
I cant seem to find the clips you metiond idk wats wrong with my truck im useing to much gas and the truck like jurks at a stop like it wants to turn off or its struglin its the imrc but idk wat all I know is that its bank 2 can u give me a better description or another way how to find out my problem?
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Wednesday, September 9th, 2020 AT 6:36 PM (Merged)
Tiny
RICKESC91
  • MEMBER
  • 2 POSTS
Well all components related to EGR have been replaced as well as all of the EVAP line's and sensors. Cannot remember all of the codes it has been flopping back and forth between, but it has been EVAP or EGR related.
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Wednesday, September 9th, 2020 AT 6:36 PM (Merged)
Tiny
MIKEGROSS12
  • MEMBER
  • 11 POSTS
Want to know if you found the problem. Having same issues
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Wednesday, September 9th, 2020 AT 6:36 PM (Merged)
Tiny
CARADIODOC
  • MECHANIC
  • 33,699 POSTS
As I said, it is just as likely to be an electrical problem. You replaced mechanical parts. You have to know the exact fault code number. There are a couple dozen related to each of those systems and they mean different things with different diagnostic procedures. If I were to look at different intermittent fault codes that set at different times, I would start by looking for wires both systems have in common. Typically that is twelve volt feed wires to actuators and five volt feed wires to sensors. There will be splices in the harness that are just ripe for corrosion and intermittent connections. Connector terminals can develop a light coating of corrosion and cause intermittent problems. The fault codes can differentiate between a sensor reporting a defective condition verses a defect in the sensor circuit. Think of that as the difference between a security guard reporting a broken water pipe verses a security guard sleeping on the job. Neither condition is good, but they are quite different.
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+1
Wednesday, September 9th, 2020 AT 6:36 PM (Merged)
Tiny
RAFA JR
  • MEMBER
  • 8 POSTS
Hay I have a question I have fixed alot of thing on my truck but im still having the problem of the truck at a stop it tugs like a lack of gas air or somethin but no enigne light and it taks a wile to take off very bad throtal respons
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Wednesday, September 9th, 2020 AT 6:36 PM (Merged)
Tiny
RAFA JR
  • MEMBER
  • 8 POSTS
My truck back fires wen I igive it gas at a stop or light and if I have the ac on it wants to turn off I changed the spark plugs coil pack intake runner control valve egr valve idle control valve rebuild mortor k@n filter its clean always im always up to date wit my maitnence and my truck still runs kinda bad it bogs wen I give it gas at a stop but after that it ok preformance it lacks a lot and I still don't know y no codes and no check light I took it to a shop were I now the owner and still nothing and im tired of trying and spending so much and still the same problem please help.
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Wednesday, September 9th, 2020 AT 6:36 PM (Merged)
Tiny
RAFA JR
  • MEMBER
  • 8 POSTS
Im still having the same problem it bogs down as I accelerate after I pass 40 mph is fine just on my take off it bogs or struggles to go but no check engine light nd some time it sound like theres a vacume leak I dont kn iv had so many problem with this truck nd noone will help so its still the same now my diff is going out I dont have a plug on it so how do I service it its grinding nd maken bad noises from my rear end.
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Wednesday, September 9th, 2020 AT 6:36 PM (Merged)
Tiny
BATHBUBBLE
  • MEMBER
  • 1 POST
  • 1997 FORD F-150
Shakes or Wobbles problem
1997 Ford F-150 V8 Two Wheel Drive Automatic

My truck started shaking and wobbling a while ago mostly between 60-80 km/h and at red lights. Today it started really badly it felt like sitting in a massage chair and the CHECK ENGINE light came on. It would just light up when I was standing at a light when I started rolling/driving it started blinking.
Any ideas about what this could be? Really need help with this asap.
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Wednesday, September 9th, 2020 AT 6:36 PM (Merged)
Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
It sounds like you have developed a sever misfire condition. Your first step is to get the codes read from the check engine light as they should identify which cylinder has the problem. They have a lot of problems with individual coils getting too weak so you would likely be looking at a whole set of plugs and a coil in the offending cylinder/cylinders.
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Wednesday, September 9th, 2020 AT 6:37 PM (Merged)
Tiny
DON CHEVROLET55
  • MEMBER
  • 2 POSTS
  • 1997 FORD F-150
  • V8
  • 2WD
  • AUTOMATIC
  • 224,000 MILES
Sometimes my check engine light comes on. When I look under the hood there will be water at the resivor where it has come out. I have replaced the themostat. When this happens the truck will go into the limp mode. Also the oil light will come on but it is full of oil.I can stop the engine and start it back and it runs fine but the check engine light stays on.I have also replaced the resivor cap.
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Wednesday, September 9th, 2020 AT 6:37 PM (Merged)
Tiny
JWALTH02
  • MEMBER
  • 180 POSTS
First we're gonna need you to get your codes scanned. Go to a local parts store like autozone or checkers and have them pull the codes. Let me know what you come up with.
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Wednesday, September 9th, 2020 AT 6:37 PM (Merged)
Tiny
DON CHEVROLET55
  • MEMBER
  • 2 POSTS
Codes said check belt-ok. Checkfan-ok. Temp sensor-i dont see how the sensor can make water come out of the degass bottle. Since I posted mess. I have replaced water pump and fan clutch. Same thing.I am stumped
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Wednesday, September 9th, 2020 AT 6:37 PM (Merged)
Tiny
KENNY101591
  • MEMBER
  • 1 POST
I am having the same problem, even the liquid out side of the resivoir, my truck has the 4.2 v6 tho. If you find a cause and or solution, please post it.
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Wednesday, September 9th, 2020 AT 6:37 PM (Merged)
Tiny
IAHUNNY42
  • MEMBER
  • 1 POST
  • 1997 FORD F-150
  • V8
  • 2WD
  • AUTOMATIC
  • 135,000 MILES
1997 Ford F 150, check engine light came on and it bogged down
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Wednesday, September 9th, 2020 AT 6:37 PM (Merged)
Tiny
FORD MAN
  • MEMBER
  • 115 POSTS
Take it somewhere the computer codes can be read, that should point you in the right direction !

Ford Man in Michigan
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Wednesday, September 9th, 2020 AT 6:37 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,005 POSTS
Have the computer scanned to identify trouble codes. Most parts stores will scan it for free.
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Wednesday, September 9th, 2020 AT 6:37 PM (Merged)

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