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Jeep

You may have a bad spark plug or ignition coil and will need to have the computer tested for misfires. If you get misfire codes it will identify what cylinder is misfiring and will need to replace the plugs and...

Hi Chantel: A big uncertainty in trying to answer your question is I do not know if the present codes, that have caused the check engine light to illuminate, are the "same" as the original codes from January and thus,...

Hi Nicole. Thanks for contacting us today. The question I would ask you is whether or not you were having the starting hesitation issue prior to having the vehicle serviced - or if it happened after. If it's been an...

Your vehicle has an engine oil maintenance reminder system to let you know when it's time to change the engine oil and filter. For the 2011 Wrangler, the allowed interval for oil changes depends on your unique driving habits and...

It is possible that the low voltage from the battery may be altering the reading from the oil pressure sensor. I would suggest manually checking the oil via the dipstick and using that as a reading as to the oil...

Hi Taylor. Thanks for contacting us tonight. A loud knocking sound coming from your front wheels can be caused by wheel bearings or inner transaxle components. If the noise does not come on during reverse, then it's likely a forward...

The problem sounds like you have an exhaust problem. You may have a broken pipe or bad convertor and is rattling in the exhaust. Have a mechanic like one from YourMechanic inspect and diagnose the problem for you.

Hi Luciano. Thanks for contacting us tonight. It's quite possible that you have a few different issues causing these noises. In regards to the clunking noise from the center while first starting to roll in first gear, it could be...

The appearance of the warning lights might just be coincidental to the thermostat replacement as the systems have nothing to do with a thermostat replacement. It's possible though that you disturbed electrical wiring and/or connections to the affected components. If...

According to the 2006 Cherokee Owner's Manual there were at least two different versions of 4WD installed as a factory option in this model and that is important in terms of the possible causes. Of course, be sure that you...

The water pump leak raises the possibility of the pump failing. If the pump does not turn properly that could cause noise and, if bad enough, might cause the alternator to turn slower (the water pump and alternator use the...

P0304 is a "trouble code". The diagnostic fee that you are probably referring to relates to a check engine light diagnostic. The cost component in the check engine light diagnostic involved in merely downloading the "code" is trivial and, indeed,...

Hi Alex. Thanks for sending us the question tonight. It's actually a very good question. If the dealership has inspected the vehicle and determined that the symptoms you're experiencing are caused by a computer or software glitch, a reset or...

If the supply of fuel to the carburetor is reduced once the engine is hot, you might have a vapor lock condition. You might evaluate the location of the fuel lines and relocate as needed. Backfiring is often caused by...

The car wash could just be coincidental to the failure or it could represent a source of water intrusion in an electrical connector and that has caused the two systems to malfunction. The two systems are electrical in nature and...

Check to be sure the noise is not also present when the car is stationary. If the noise occurs when the car is not moving, it is likely related to the serpentine belt or accessory drives. Even when moving, the...

A hose is a possibility. The leak point(s) can be pinpointed by pressurizing the cooling system to about 15 PSI when the engine is completely cold. A visual check during that test will reveal the problem area(s). The water pump...

If you are referring to the first few minutes of driving when the engine is cold, the engine coolant temperature sensor must be working properly to signal the PCM to enrich the mixture on cold start. If there is a...

Hi Connor. Thanks for contacting us today. In most cases when this occurs, it's due to a shift linkage or shift solenoid failure. It's also possible that you have damage to seals or gaskets inside the transmission case. The best...

Hi Christopher. Thanks for contacting us today. The first question I'd ask is if the stored error codes were cleared after the speed sensor was replaced. If not, it's quite possible that the reason the lights are still on is...