January 12th, 2010 9:36 PM. I had a 95 Blazer, It did the same thing and while it had pressure at the line the fuel injection spider took a shit and no fuel was going to the cylinders. Ill see if I can take a video of it... Im confused because it idles ever if I leave it idling, every 1 minute or so it will sputter and start to sound like its going to die, but it will not actually die, just runs roughly. I would nominate this for best car advice ever. 4.3 TBI backfires through intake. Cap and gave it a good clean with electrical contact cleaner as well as the distributor rotor and reluctor. It's got a small cam and ~8.
What do repairman turned to make the picture clear? No load Ask an Expert Car Questions Chevrolet Repair 1995 chevy: the engine runs almost perfectly (has slight misfire). Look optical Aug 11, 2011 · Aug 10, 2011. How about some actual diagnostics first. Which I have checked the timing according to the manual the timing must be set at 0 btc, so I aligned the marks checked the rotor under the distributor and it was not pointed to the number one firing cylinder. What Could Cause a Backfire Through the Intake. It may be low and not able to supply the fuel demand under any sort …No headers, stock manifolds, full exhaust and O2. Focus on the spider injector.
Is there any way to test the spider? The engine was still running as it did before, hard to start, idle up and down and misfiring....... would eventually stall on its own. If I'm in park and mash the pedal the engine will hesitate a little but will rev up. If they are corroded put a new cap, rotor and wires on it. Temp guage - 210 - 220 deg. Sometimes especially when cold it will hesitate real bad taking off from a stop lite. I have never seen all 6 stop firing at the same time unless someone put sugar in your tank, or something like that. I get beet by full size suv's. Traditions muzzleloader scope bases Cars For Sale By Owner For Sale in Washington, DC. 4.3 tbi backfiring and skip/miss. Also, could a leaking/stopped-up injector cause this issue? June 11th, 2007 10:44 AM. That is, plugs, plug …31 gru 2018... Join Date: Sep 2013.
MAP code 34 low voltage. It idles a little rough when cold... 2008 bmw 328i idle control valve location Location. If I quickly jab the throttle it instantly revs up and then settles back down to a nice smooth idle. Voltages are right, no knocks registered normally, and it does pick up sharp taps to the back of the block. Once it runs (cold) and you start to accelerate it stalls and backfires through the throttle body (nice flame, scares wife). '87 IROC-Z 355 HSR C950 Lunati Voodoo Solid 241/[email protected]. 04-03-15 05:49 PM - Post# 2536563 In response to JDHoschar2448 Have you tested the fuel pressure? So to recap, the truck went from running poorly like it had a missfire on one cylinder to not starting and backfiring out the intake while cranking. Engine backfire through intake. Thank you all very much, keith. If I accelerate slowly the car will rev up fine. Loosen the 10 or 13mm bolt on the hold down and lift the distributor out. Idle is very rough, has no power under load, but the engine can be revved up to 3, 000 RPM without a load. Now, unless you've played with QJets, like Mike up there who runs a dyno for Ford!, then you'll have no way of "feeling" it.
I have a Chevy K1500 sierra with a 350 that is not EFI. Already fully tuned up. 3 W and X engines, but usually you lose 1 or maybe 2 cylinders. The thing is if I rev it up with the air cleaner off it will sometimes pop or backfire thru the tb. 4.3 tbi backfire through intake motor. I replaced the fuel pump-because it was bad in July. Bad Fuel Pump franklin county animal control ga I did adjust my timing with a timing light and at idle without the electronic advanced hooked up i am at 10 degrees advanced and with it hooked up 22 degrees advanced Power Range Idle-4000Camshaft Lift:. In contrast, The fuel system is sensitive to engine load variations.
For the past few months it has developed a miss and backfire through the intake at heavy throttle. New fuel/air filters.
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