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Found 2 results

  1. Having some issues with my '93 C1500 stalling and dying. It started last month when I was replacing parts to get my truck back on the road after sitting for a long time without much use. After I had managed to get the A/C blowing cold air again (freon, compressor pigtail and tensioner pulley) I noticed that the idle would slow and get choppy, even stalled and died once. I went back to work on it and ended up putting in a brand new Delco egr valve, IAC, fuel pressure regulator assembly, emissions tubing, intake adaptor, intake and egr solenoid. Even with all the parts the truck will still stall with or without the ac engaged and gets significantly worse with the egr solenoid plugged in. As in it stalls terribly at very light throttle since it looks like the valve completely closes when you hit the throttle just right. The engine is a jasper 350 crate with around 80k miles and Ive replaced every single sensor on it at some point or another. I should also mention that before this work was done I'd had the egr blocked off completely with a plate and an adjustable fuel pressure regulator in. I just wanted to get it back to stock once the stalling started so I could have a reliable truck again. At this point i'm worried the problem may be in the pcm or prom since it was running great most of the day with the solenoid unplugged then started stalling again after sitting for an hour turned off. I'm stumped
  2. Good evening gentlemen, I recently purchased a 1998 Chevy K1500 extended cab short bed 4x4 Silverado with 290,000 miles, (I know that's high, but the truck is almost rust free) Ran and drove fine, only issue I noticed is lower oil pressure, (45 cold, 20 hot) which I would expect from a high mileage car, if I have to put a crate motor in in a year or 2, that's okay. Anyway, it's started bogging at any hard acceleration, or consistently at 2500 rpms and up, will about die and starts backfiring if I don't let off the pedal. Checked fuel pressure, it tested good while running, and while the engine bogged fuel pressure didn't go down. scanned for any codes, seemed like clogged exhaust, cut the exhaust, no difference. (Cats have already been removed by some owner in the past) tested EGR valve, it tested good, cleaned throttle body, no difference. Went ahead and spent almost 200 on good cap, AC Delco plugs, wires, rotor, still no difference, bogs just the same. I've been looking all over the internet and seen this is a fairly common problem but haven't really found any answers. Where should I go from here? I'm not the kind of guy that just replaces things until it runs... I always work on my own stuff but this really has me stumped. Thanks in a advance for any help I can get!
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