check engine light on but truck runs fine

When the truck is cold it runs fine and no engine light. I pulled over to make sure everything was okay as far as obvious problems.

Freightliner Questions Check Engine And Engine Protect Light Comes On Engine Will Run Then Sh Cargurus

I have not yet delved into diagnosis yet hoping someone has.

. The only thing im hopeing is that it isnt. And it is scary to drive on the road. The red one is the.

I did drive about a 30mile round trip today with sensor unplugged and other than a CEL the truck. After running 10-15 minutes the light goes on and vibration starts. If these sensors detect a bad seal theyll throw a code.

But when it is on it runs like crap and when its off it runs fine. Jump to Latest Follow 1 - 11 of 11 Posts. The problem can even be as simple as forgetting to tighten your gas cap in fact this is the most common reason why check engine lights appear in the first place.

Check eng light on and truck starts and runs fine. Turn off your cars engine and pop the hood. Locate the car battery and find the negative battery terminal.

Posted by stevecrosby1 on. I have a 2018 Silverado with a 53. It has been acting up for the past 2 months.

I replaced both O2 sensors in early DEC last years when I got the truck but the truck still runs great when the Check Engine light is on. A good glow plug will give. The most common causes of check engine light on but car runs fine are the clogged air filter bad MAF sensor and bad oxygen sensors.

Truck drove the same but with the check engine light on. If any problem is detected the. Check engine light but runs smooth.

While driving the computer of your F-150 ECU o PCM monitors airfuel supply and exhaust gases in order to verify that the engine is working properly. When the Check Engine Light comes on you know something is wrongHowever it can be tough to discern the meaning because this light illuminates for hundreds of reasons. My check engine light came on and sets a 1501 Lin Bus code truck runs fine.

On the way home this afternoon the light. What is - Answered by a verified. Engine warning light came on but truck runs fine Posted by Anonymous on Oct 28 2009 2 Answers Master 3085 Answers It could be as simple as a loose gas cap but get the code.

Question about 2006 Dodge Ram 1500. Check engine light is ontruck runs fine - 2006 Dodge Ram 1500. The check engine light has been going on and off.

I was driving to work today and after 200km in to the trip the Check Engine light came on. Follow these steps to reset your check engine light. Your car has sensors designed to check the seal of the gas cap as it must be able to contain the fumes of evaporated gas.

Check engine light always. I am running our of patience and Ideas.

Why Is My Check Engine Light On 4 Common Reasons This Light Appears Driveway