A fuel injector cleaning service is like a tune-up for your fuel system that should be performed every 30, 000 – 45, 000 miles. When you say it "fills up" the intake, do you mean, literally? Speculation, but it seems to make sense.
Also see if your parts store has a tool loaner program. If you want to go lower you can tee off the feed line and into the return line, if you want to go higher you can just put it inline with the return line. Rough idling – You may feel like the engine is going to stall when you stop. Warning Signs Of A Bad Fuel Injector. Okay some how relay grounding out. 1995 Chevrolet 2 Door Tahoe (6. I had the module tested and said to be good. A failed fuel pressure regulator will not always exhibit this symptom, but it's pretty easy to check for when doing your diagnosis.
Replaced the leaky injector and my truck is running better, although I did notice the engine tremble a little at idle. Anything that had water running through it which froze and cracked, and anything that the bad gas seized up. Bad injector for sure then. '71 SNB 350, auto, pretty. I think it's weak enough that the ECM can't supply enough power to run the fuel pump relay, and it would make sense if it doesn't have enough power to run the fuel pump relay that it doesn't have enough power to properly run the injector. Well you need to double check the wiring then you have something off, the engine should shut down once the oil pressure is gone, yours is not that is why you are still seeing gas from the TB when it's no running. Turn on key and throttle body floods out continuous flow of gas could it be the egr valve. Engine is a TBI 350 with Thorley headers, Magnaflow cat, all else stock. Join Date: Jun 2003. Yeah I will replace and let you know. Tbi spraying too much fuel products. Perhaps you have an electrical connection bad there. Another thing to look for is a wet spark plug. 2 - My guess is the fuel injector is getting activated because the voltage to the ECM is so low, that once the ECM tries firing the injector, it ends up getting powered through the injector.
Answer - 1st - If even just at times the fuel injector still sprayed with the connector unplugged the injector is bad. You should be seeing conical spray from the injectors. My '95 Sport Nautique with PCM EFI TBI is shutting down after about 10 minutes of running great. It is possible that an EGR valve problem could cause the fuel system to run rich, but typically not cause fuel to leak. Al i get back is a credit. Combustible engines require three vital elements to help the engine to create power: air, spark, and fuel. What happens if too much fuel reaches the engine. Joined: December-14-2006. My buddy has a 93 or 94 TBI on a 454 basically stock setup in a motor developed this problem where the injectors won't spray during cranking but if you get it to fire using starting fluid or drizzling fuel into the TB-- then it will fire and the injectors will start spraying and the engine runs just fine from then see this before? Perhaps your ECM isn't properly grounded.
I've got that on order now and expect it later this week... Also, I am going to pull off the entire wiring harness (fuel side and ignition side) tonight and lay it out on the kitchen table... anything that looks remotely worn is getting taped up. Please someone help. Too Much Fuel, Fuel Injector Problems. Here's what you should know about fuel injectors: What is a Fuel Injector? Shouldn't that be open? PCM said it may be bad and sending erroneous signals. This is a simple test to tell you if all cylinders are putting out the same amount of power. I do know that my oil pressure sender is little screw on the top goes in and out and the nut won't move... I had tried to pull codes put light just flashed rapidly. 26 year old vehicle and ethanol fuel. IIRC the range is somewhere around 12-15 psi, and I've read that it likes to be in the high end of the range, like 14ish. TBI Sprays Too Much Gas: Instead of a Cone of Mist, I Get Niagra. With the device not powered, not running you might read any resistance and it might not mean anything.
Location: BA, Argentina. After all that, if pressures are still low, suspect the pump. This is because the meter applies a voltage to read resistance. If i'm buying a $150 part I really want it to be the right one. Location: United States. Any details on how you modified to add an external adjustable regulator? The most expensive option on Rock Auto is the ACDelco @ $59, i'd get that one or the Delphi. The injector should not be squirting gas unless the engine is running, might be as simple at a bad oil switch or the temp switch causing it. Cut that thing open and see if it's junk. TBI just keeps going. I had a spare complete throttle body from a 90 burb, i put it on, same thing. Fuel Additive to help reduce moisture within the system making your fuel more efficient. I had to open the knurled nut a bit before the valve would open, at which point a little gas would also leak out. If the fuse didn't blow, I would have expected the ECM to have failed. If it's running it should develop more pressure than 1 PSI.
So, while the vehicle may use fuel more efficiently, it does consume a considerable amount. Manual says to test light from power to tan/blk wire at ecm( ecm unplugged) number 10. Tbi spraying too much full review. i should have no light but i do. But get to take the 4wheeler out tomorrow. Is it acceptable to place it between the filter and the fuel pump? From my experience, they don't like being run hard AT ALL. If your fuel pump relay had a short in it I would expect the ECM fuse to have blown, not the ECM to have failed operation.
Is it coming from the injector nozzle or somewhere else on the throttle body? Unplug the injector wire and then try again. You guys were right. I also noticed that I forgot to lubricate my larger o-rings.