Join Date: Mar 2010
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Fuel surging problem
I have a 94 IDI with factory turbo that is surging just after take off. Say when i take off from a light, with average acceleration its like the throttle is mashed to the floor for just a second. It only does it shortly after take off. The other thing that happens since this first started is a rough idle. But only very occasionally. If i tap the throttle it goes away.
I originally thought it was the trans prematurely down shifting, but i can get it to do it In the driveway in park. I rev it and about 1500 rpm it spikes, but only for a second or two. Not WOT just a bout 500 rpm's or so more.
Its freaky when you pull out somewhere and it just takes off on its own.
I've owned the truck for about 6 months now and after a little work here and there it runs great. Other than this new problem.
The last owner gave me receipts for a tranny rebuild and injection pump. Im not sure the tranny was rebuilt, but the IP looks new. On the other hand he lied to me about several other things. He said it had all new glow plugs, brakes and injector o-rings. Glow plugs were shot, O-rings were shot and the brakes were only new on the driver side. LOL I did new glow plugs and orings with New caps and hoses.
Im a pretty good mechanic but have limited experience with diesel's. So im learning as i go here.
94 F250 7.3 turbo IDI Tow rig
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