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What causes a 1990 Isuzu pick up truck to idle rough at low speeds?
Wiki User
∙ 12y ago
what do you mean by running rough? does it idle up and down and not steady and when you press on the gas it would die ''
if this is so, I had the same problem,, on my Isuzu 1989 pickup 2.6 4x4,,, it turn out to be a fuel pump problem
fuel pump was working but not making enough pressure ,, was pumping only 28 psi
needed to be pumping 42psi when starting and 38 psi when idling ,,, get a fuel pressure
test to be sure.... hope this helps
Wiki User
∙ 12y ago
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You are riding in the car on the highway when a large truck speeds by you explain why your car is push toward the truck?
when air is pushed forward, is has less pressure to the sides then in front, causing a vacuum on either side. when the truck speeds by, it causes this affect on a descent sized scale, large enough to pull your car.
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