Check Engine Light came on
Thread Starter
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Diesel Enthusiast
Joined: Aug 2008
Posts: 109
Likes: 4
From: Biloxi, MS
Check Engine Light came on
I've been searching on here for a little while and can't find the answer to my question. I know there are a lot of posts like this but I need help so here goes:
Truck threw a CEL this morning. First time ever at 38,600 miles. I changed the oil and fuel filter (Baldwin filter) on Friday, this morning was the third time I started it since changing the filter and it threw the light. It was about 55 degrees here this morning, the grid heater came on, I started the engine, it died, started right back up, threw the light. Went ahead and drove down the road, ran fine, no problems.
My only mods are Afe intake, 5" turbo back exhaust, and Quadzilla mileage module with boost fool. I am running Power Service in my fuel in every other tank.
I did the key flip thing, no codes show up in the odometer area but the CEL flashes 10 times. This is my first go at the CEL thing so I'm dumb.
Please help!
Truck threw a CEL this morning. First time ever at 38,600 miles. I changed the oil and fuel filter (Baldwin filter) on Friday, this morning was the third time I started it since changing the filter and it threw the light. It was about 55 degrees here this morning, the grid heater came on, I started the engine, it died, started right back up, threw the light. Went ahead and drove down the road, ran fine, no problems.
My only mods are Afe intake, 5" turbo back exhaust, and Quadzilla mileage module with boost fool. I am running Power Service in my fuel in every other tank.
I did the key flip thing, no codes show up in the odometer area but the CEL flashes 10 times. This is my first go at the CEL thing so I'm dumb.
Please help!
Diesel Wrench
Joined: Mar 2007
Posts: 582
Likes: 36
From: Mohrsville, PA
Check the codes. You can buy a cheap code reader/code eraser for $60 from Harbor Freight (a good investment).
If it was an 03-04, I'd say classic lift pump failure symptoms. But the 05+ aren't affected the same way by a lift pump failure...
If it was an 03-04, I'd say classic lift pump failure symptoms. But the 05+ aren't affected the same way by a lift pump failure...
Thread Starter
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Diesel Enthusiast
Joined: Aug 2008
Posts: 109
Likes: 4
From: Biloxi, MS
Y'all say check the codes but what does the key flip thing do? Won't that bring up codes? I don't get any codes from doing that check. Didn't think about the Harbor Freight scanner. I'll get one of those, you're right, good investment.
The first thing I thought was lift pump but at 38k miles?
The first thing I thought was lift pump but at 38k miles?
Thread Starter
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Diesel Enthusiast
Joined: Aug 2008
Posts: 109
Likes: 4
From: Biloxi, MS
O.k. I bought a scanner and checked it out. One code: P0191 - fuel rail pressure. Everybody pretty much said the same thing: lift pump BUT then said that the 06 is in the tank, which it is. Guess it's time for a fuel pressure gauge. Could this have just been a fluke after I changed the fuel filter or is my lift pump going out at 38k miles?
I cleared the CEL, will see if it stays off, guess that will answer my question.
I want to know about how to install a fuel pressure gauge, I'll start a new thread.
I cleared the CEL, will see if it stays off, guess that will answer my question.
I want to know about how to install a fuel pressure gauge, I'll start a new thread.
