Question about 1990 Jeep Cherokee Limited
My Jeep starts best when cold (most of the time), but idles roughly and dies at operating temp. I usually have to wait for a few hours before it will start again. The only way to keep it running when i have to slow down or stop is to drop it into neutral and give it gas. Even at times this does not always work and it still dies and won't restart. Occasionally, when trying to restart, it makes a small backfire through the throttle body and we get a puff of white smoke from the air filter housing. There's also a problem with the idle surging randomly and then dropping very low.
I have replaced all of the plugs, battery and fuel filter. I can hear the fuel pump working when I turn on the switch and there is good pressure coming from the rail when tested.
Yesterday, after installing the plugs and fuel filter, we had to get it jumped because the battery had drained from trying to start it. After it was started, it idled roughly and began to whistle under the hood on the driver's side, but I could not locate the source. I am not certain if that is related to my problem, but thought it might be worth mentioning just in case.
As of today, it no longer starts at all, but the starter does spin and the motor sputters when I release the key from starting position as if it was trying to engage. The battery is showing a charge and I checked the distributor cap and rotor button; both looked fine with only a small amount of wear.
Sounds like a leaking intake gasket. If you can start it again, take about a three foot piece of hose and put one end to your ear and "scan" the intake area for the noise. or , spray carb cleaner at the intake parting line while running when the idle changes you have found your leak.
I could determine this easier if I were there, but odds are I'm right.
good luck...need further help just ask.
Posted on May 15, 2009
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Posted on Jan 02, 2017
Landcruiser 100 vx, 2003 model with engine number 1HD-FTE is not starting, I've found out that the fuel pump, starter, battery are all functioning well. Where next should I look at.
Posted on Aug 18, 2010
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