So, the check engine light comes on and goes off at random. Generally, when it comes on, the car stutters pretty hard and it will continue to do this intermittently. Then, the light will go off. This can range from hours to days. It's been like this for months and we hadn't put any effort into diagnosis/repair but inspection time is around the corner. It seems to act up more in the cold but it's hard to say really. I haven't checked the codes yet but I was wondering if anyone had seen this sort of issue before on these. It's a 02' Jeep Wrangler Sport with approximately 85k miles.
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Re: Check Engine Light / Jarring
It probably needs spark plugs. with that mileage and if they havent been done it is very likely. the are 30k mile plugs. it may also be injectors clogging up which will need injector cleaner. when you remove the coil pack off the plugs, be very careful that piece is like $500.
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Could be a transmission problem or something as simple as bad spark plugs. The engine is under the most load when RPM is low and you are trying to accelerate, such as when it upshifts. You should have the computer checked for trouble codes and hopefully that will point you in the right direction to test. If the spark plugs have more than 50,000 miles of wear you might start with replacing them.
No, your check trac light is used to monitor the traction control system. It is sensing an issue in the traction control system, which is pretty complex. There may be a code saved in the computer that a dealer could pull for you.
the check engine light covers so many basis that it is hard to pinpoint without having it scanned. it can be a spark plug or wire if they havent been done yet. alsothe d.p,f,e sensor is pretty common on those and can cause an errattic running problem. I would get it scanned before buying uneeded parts
This is what you need to do, change the plug wires, because if there is a bad wire you would definitely experiences sputter or a stutter, so do the plug wires and at the same time do the spark plugs, this should take care of your problem. if not let me know and i will give you the next step
The light is indicating an emission system failure. Take the vehicle to your local Auto Zone or Advance Auto and ask them to scan your car for trouble codes, they will do it for you at no charge. Write the codes down and reply back to me and we can begin diagnosing the problem.
Good luck, let me know.
A week ago, on my Lexus ES 300 (2001), "Check Engine" and "Trac Off" lights came on. This coincided with me filling the gas tank to the brim to round the dollar to be paid. I cleaned the gas tank cap and the tank opening. However, both lights persisted. On the same day, when I turned on the car again, there was a hesitance, a stuttering to come on. Both "Check Engine" and "Trac Off" lights were still on.
The next day, the car wouldn't come on at all. It sounded as the battery was dead. I couldn't even jump start the car. So, I got a new battery from Costco ($59) and put it in. It took 15-20 seconds of cranking to get the car started. Once it was started, the engine sounded fine and the RPM normal. The "Check Engine" light was off. However, the "Trac Off" was still on. I cleaned the gas tank cap one more time.
The next morning, when I turned the car on, there was no problems. It came on instantly as it used to be, didn't have any warning lights, and drove smoothly.