1999 Ranger 4.0 Starting Problems
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1999 Ranger 4.0 Starting Problems
I am having troubles with my 1999 Ranger with a 4.0 in it. Everytime I make periodic stops and have to shut it off, like when I am shopping and going from store to store, my truck never wants to start. Its like it doesnt want to start when its been started and shut off a few times after its warm. I manage to get it to start but it need to tap the pedal a little to get it to start and need to keep feathering the gas to keep it running. Any ideas? Help is needed and appreciated, Thanks.
Fleet Mechanic
Joined: Feb 2007
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From: Boston, MA
I am having troubles with my 1999 Ranger with a 4.0 in it. Everytime I make periodic stops and have to shut it off, like when I am shopping and going from store to store, my truck never wants to start. Its like it doesnt want to start when its been started and shut off a few times after its warm. I manage to get it to start but it need to tap the pedal a little to get it to start and need to keep feathering the gas to keep it running. Any ideas? Help is needed and appreciated, Thanks.
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Nope, no other symptoms, runs fine unless its started and shut down periodically like when I go shopping or something, I always manage to get it started but im worried that one day I wont get it to run and Ill have to have it towed home.
Fleet Mechanic
Joined: Feb 2007
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From: Boston, MA
* a dirty air filter can cause starting issues on a warm engine
Last edited by powersmoked; May 4, 2010 at 08:32 AM. Reason: *
Post Fiend
Joined: Jan 2003
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From: Connecticut
I agree, it could be related to a fuel pressure/delivery problem. If there is any possible way to check the pressure during the no-start, that would be ideal.
When is the last time the fuel and air filters were changed? Also, try cleaning the MAF sensor, it can't hurt.
The reason I asked about other issues is because, a few years back I was also having similar problems (hard to start when warm) and it turned out to be, of all things, a bad ECT (engine coolant temperature sensor). But in addition to the hard start, my 4.0L's idle was also out of whack.
When is the last time the fuel and air filters were changed? Also, try cleaning the MAF sensor, it can't hurt.
The reason I asked about other issues is because, a few years back I was also having similar problems (hard to start when warm) and it turned out to be, of all things, a bad ECT (engine coolant temperature sensor). But in addition to the hard start, my 4.0L's idle was also out of whack.
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