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740 Engine hesitation and stalling 700

posted by  someone claiming to be Al on  Wed Apr 24 11:46 CST 2002 [RELATED]

Just went through the same thing for the last two months. It slowly got worse as time went on. I changed the FI relay it cleared up for a week then started again. Ended up being my AMM was going bad. But before you panic over the AMM
Check the hoses going to and from the Turbo. I'm talking the one on the intake
of the turbo first. If you have a loose hose coming in it will give you the same problems. I had a loose hose, (popped off but laying against opening on turbo) even though some air is passing through the AMM some fresh air was by passing the AMM. I got full boost and it ran OK above 3000 rpm but got the same problems as you have at idle and low speed. 1 check hoses, 2check FI solinoid, 3check AMM.






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