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WWICruiser-97 replied to the thread 97 stumbles when cruising.If the problem comes and goes it is not likely a sensor as they tend to fail and not recover. Distributor gear wear could easily cause...
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WWICruiser-97 replied to the thread 1990 Sierra Baffled.Look at the circuits that shut off the fuel pump. There was a debate here about if the oil pressure circuit can cut off power to the...
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WWICruiser-97 replied to the thread Lots of new parts but runs horrible.What parts did you transfer over from the old engine to the new? For the starting issue look closely at the battery calbe that run to...
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WWICruiser-97 replied to the thread Air Bag Controller Connection.Sorry, I should have posted a follow-up. I did find a replacment module. It was from old dealer inventory (new in the box). It took a...
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WWICruiser-97 replied to the thread 97 stumbles when cruising.Can you determine if it is an engine misfire induced stumble vs. drive train influenced engine reaction? My '97 has a less severe...
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WWICruiser-97 replied to the thread fuel pump and oil pressure circuits.The A1 I was referring to was the ECM not the fuel pump relay. I am not familiar with the RPM signal providing power through the ECM...
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WWICruiser-97 replied to the thread fuel pump and oil pressure circuits.Your diagram does not tell the whole story as the A1, B1, and B2 are part of a control module (ECM). The description cut off at the...
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WWICruiser-97 replied to the thread Trucks lacking power.If the cat is falling apart it can easily plug the exhaust system creating back pressure and reducing power. Given it is already...
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WWICruiser-97 replied to the thread Nv3500 swap.Swapping from an electronic automatic to a manual transmission is a big task. Beside all the changes related to the engine to...
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WWICruiser-97 replied to the thread Spider Question.When I looked at the injector systems I also saw the two differnt tube diameters but I thought one was the original spider poppet...
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WWICruiser-97 replied to the thread HELP?!?.Not familiar with the 91 4.3 V6 but it looks like a capacitor and I suspect it is tied into the ignition coil, probably to eliminate...
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WWICruiser-97 replied to the thread 1995 silverado k1500 4x4 noise.You may want to check the engine mounts. If the engine is moving around under torque some strange things can happen and they are not...
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WWICruiser-97 replied to the thread Missfire - cylinder 4.I did not replace O2 sensors but I can plug in my OBD reader and evaluate them on the fly to see if they are acting lazy. I did note...
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WWICruiser-97 replied to the thread Missfire - cylinder 4.Replaced the EGR gasket but no real change in performance. I did check and the only code set was related to the EGR and it was cleared...
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WWICruiser-97 replied to the thread 1995 K1500 LS swap or TBI Rebuild + Exhaust.If you are going to tear it down to the short block go a little further and tear it down completely. Have the block checked and if...
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