Why does my Jeep sputter when starting?
A dirty or failing sensor puts too much or too little fuel into the engine causing it to run rough or sputter. Bad or Dirty Spark Plugs: Spark plugs are responsible for igniting the fuel in the combustion chamber.
Why is my Jeep Wrangler sputtering under load?
A sputtering Jeep Wrangler can be caused by any of the below bad components: So there’s a host of possible causes why your Wrangler can become sluggish and sputter under load. The above-mentioned solutions will vary, depending on which year model Wrangler you own.
What is the code for bad valve springs on Jeep Wrangler?
Codes like 12 and 55 can be safely ignored. So after many years and many unhappy jeep Owners complaining about the same issue, jeep finally released a TSB (technical Service Bulletin) addressing the issue of the bad valve springs on 97 models.
Why does my TJ Wrangler kick out check engine light?
Once again if your valve springs are shot, your TJ Wrangler should kick out a CHECK ENGINE light as well as a few codes. If the codes disappeared, you can call them up by doing the 3-turn sequence where you turn your ignition key from off to ON 3x ending it in the ON position.
What kind of sensor does a Jeep Wrangler need?
The recommended sensors are the NTK O2 sensor and not any aftermarket or 3rd party sensors. If you are going to self-diagnose your Jeep problems, it’s highly recommended to invest in an OBDII scanner to properly diagnose your problem, which can save you thousands in the long run.
A sputtering Jeep Wrangler can be caused by any of the below bad components: So there’s a host of possible causes why your Wrangler can become sluggish and sputter under load. The above-mentioned solutions will vary, depending on which year model Wrangler you own.
What’s the problem with my 1999 Jeep Wrangler?
Well…found out what the problem is. I finally took my 1999 TJ to a Jeep Dealership, and after a few times taking it to them, because it would never act up. It was determined that the valve springs are sticking, which according to them, that would explain the hesitation and rough idling.
Codes like 12 and 55 can be safely ignored. So after many years and many unhappy jeep Owners complaining about the same issue, jeep finally released a TSB (technical Service Bulletin) addressing the issue of the bad valve springs on 97 models.
Why does my Jeep Wrangler have continued hesitation?
It was determined that the valve springs are sticking, which according to them, that would explain the hesitation and rough idling. So…they went ahead and treated the upper engine with a high quality type of solvent. They had the ending running and pour this solvent into the engine until it completely died. They let it sit for about 4 hours.