Why does my Jeep Grand Cherokee take off faster?
It is common to feel the whole vehicle jerk when put into gear with P0507. Vehicle Takes off Faster – With the engine idling higher, people report feeling the vehicle take off when releasing the brake pedal. This can make driving more dangerous. There are a lot of potential causes to P0507.
Which is the best engine for a Jeep Grand Cherokee?
It wasn’t so long ago that when it came to the powertrain most would choose for their Jeep Grand Cherokee, a V-8 of the HEMI variety was the easiest answer. It always had the power, the noise, the performance and most importantly for some, the pedigree.
Why does my Jeep Grand Cherokee shake when I accelerate?
If your Jeep Grand Cherokee is shaking when accelerating, it’s something that should not be ignored. While the vibration can be annoying, it is often indicative of a serious problem. Vehicle speed matters when you feel a vibration. Different problems are going to show themselves when driving at different speeds.
Why does my Jeep Grand Cherokee idle higher?
A leaking vacuum system will often cause the Grand Cherokee to idle higher. When the vacuum system leaks, it allows extra air to enter into the combustion chamber. This air allows for a slightly higher combustion, increases the RPM and throws the code.
What’s the engine rpm on a new Jeep?
On startup, the RPM will climb up to 2,000 and then idle back down to around 6oo. It doesn’t matter if the engine is hot or cold. Engine is the 4.7 in a ’99 Could this be a function of the throttle position sensor and if not, what could cause this? Thanks This could have to do with the TPS, but also with the idle air control (IAC) stepper motor.
Why does my Jeep Grand Cherokee not accelerate?
If your Jeep Grand Cherokee won’t accelerate, that is a serious cause for concern. There are a lot of different reasons that can cause this. Diagnosing the issue can be narrowed down by whether the engine is still revving when you push the gas or not. There is a section for each scenario with likely causes for each.
Why does my Jeep take so long to move?
Once those things clog up, they KILL your power. i removed the air inlet and everything seemed to be clean… but sometimes when i come to a complete stop at either a stop sign or red light and i step on the gas it takes about 2 seconds for the car to move.
What should the TPS be at idle on a jeep?
A faulty IAC would give a constant idle (high or low) and a fault code for the IAC. Erratic is normally the TPS. If you have a scanner which shows live data, you can see the TPS % going up and down a bit. Its normally around 12 % at idle.