Fuel sensor? When accelerating and hitting between 50-65 mph the truck will chug like it's not getting fuel. Once in a while the check engine light comes on when this happens but not all the time and it doesn't do it all the time either. It has never done it while on cruise only when physically accelerating.

Stephen Pearson

• 49 Answers
• Posted on Nov 28, 2008

SOURCE: engine first runs good, but progressive chug/misfire.

Check for vaccum leak, if not check or replace mass air flow sencor.

SOURCE: my check engine light comes on after 70mph and

If the light was flashing when it came on, then it means your engine is misfiring.

A solid light can mean anything from a loose/faulty gas cap to a transmission issue.

This light comes on when the computer detects a fault of some sort in its diagnostic tests. If it keeps detecting this issue, the light will remain on. If the light turns off, then it has detected that the issue may no longer be present.

In order to find out what the exact reason was for your light, You need to have your car computer scanned to retrieve the code that the computer would have stored when the light triggered. Most garages will do this free of charge. The code will tell you what may have caused the light to initially turn on.

SOURCE: I have an engine miss,****,buck at about 45 mph

Change plug wires next and put in some SeaFoam. This sounds like a tune up issue... just run though the paces.

SOURCE: the check engine light comes

Anytime it flashes, that usually means it is a major problem. You need to get it scanned asap. It could get much worse. Autozone does the scan for free and they will tell you what is wrong. Be careful.

SOURCE: car is jerking when i

you need to get a scan done at auto zone its free something else is going on parts cost extra

Testimonial: "thanks, even though you get a free scan i still need someone who knows what they are talking about to explain the OBDII codes."