I have a 1993 GMC C1500 rear wheel drive pickup with a 5. 25... rotor tip should point to the No. I need to buy a distributor wrench so I can set it to zero. For a GM TBI application to read the data, or to check for stored codes. I'm going to go put on a weird thing here... You description was actually making me think you are running lean. Rebuilding a TBI Throttle Body. There are posts describing how to check for code faults. Iv hydration near me mobile 89 Chevy 350 to backfire... That year a TBI was in use on the 350 engines it's basically 2 fuel injectors moun ted on a venturi they are notorious for oring off the air …this engine runs rough when cold misfires and so on, then when hot while running at higher speeds it backfires through the tbi unit. How does chevy tbi work. Is unplugging 1 of the injectors actually allowing MORE useable fuel into the intake and therefore it runs better?
Just put the thing together and go! New AC Delco air filter. But since the linkage didn't go to the stop, the idle switch wasn't turned on so the computer didn't know to idle and caused the engine to run rough. For not much more $$ you can get new. Are you sure your vacuum gauge is correct? Fuel Delivery Problem: One of the most common causes of bogging is a problem with the fuel delivery system. And the air injection system was removed but the engine wiring harness wasn't changed (could be a problem)? When I tried to give it some gas, it started to bog and there was a very strong smell from the exhaust (it was actually next to my fence and unburned fuel was spraying all over it). Tbi chevy performance upgrades. I hate to sound like a broken record, but on a Chevy TBI engine, the timing needs to be at ZERO. So what its doing is it runs fine at idle and anything under about half throttle. Does the TPS make sense? OBD2 is the scan tool I have been using to find fault codes.
Mouth taping reddit Oct 18, 2011 · If engine has been reworked, it isn't uncommon for a different timing cover to be used, often timing covers have the marks in a different location to enable viewing with different accessories installed, so if the cover's changed but balancer wasn't the marks won't always agree. Does anybody have any idea's what the problem may be? Virgo money horoscope today I recently rebuilt my 1990 k1500 350 tbi and upgraded to vortec heads. That is how you know where to set the timing. 08-16-2017, 04:53 PM||# 11|. Chevy tbi running rich problem solving. The only timing the end-user sets is to establish the reference timing, in this case it's 0* with the ESC wire disco'd on GM TBI engines. The problem persists.
It appeared to me that it started running badly in closed loop so I had a spare O2 sensor and changed it out. Need up to 30 seconds to load. Location: Phoenix, AZ. North dakota state softball Fitech Single Plane Vs Dual Plane Dyno ResultsAustin Peay State University is located in Clarksville, TN and the Softball program competes in the Ohio Valley Conference conference. 88 350 TBI Running Extremely Rich in Closed Loop. I couldnt find any vac leaks but after I rebuilt … remote receptionist jobs 02-29-08 03:58 AM - Post# 1377209 I have a chilton manual on my 91 GMC Sierra 5. Depending on your vehicle model, your engine might experience one or more of these performance problems: …2, 319 Posts. The weirdest part of it all has to be the fact that im not getting a rich code.
I looked at all of the vacuum hoses but they all seemed to be on tight and didn't see any cracks. There were other more primitive forms of throttle body injection found about …vortec 4300 fuel pressure regulator. Reconnect the number one spark plug wire, if removed. Thanks so much, Wes. 8 wires, better insulated, once i had just a cheap set of autozone wires, and I happened to open the hood when it was really dark, it looked like Christmas lights, after that I made sure i bought good wires, that just my 2 1/2 cents worth. If it's rich enough to not rev over 3500, it should burn your eyes horribly. What is your current fuel mileage, most got around 16 to 18 mpg, i had a 91 did several thing to try to improve fuel mileage, I started at 15 and finished at 21 to 22. first I would check fuel pressure, then spark plug gap and maybe go up a hotter setting, I did run the platinum plugs, not sure that did anything, Also reading that you changed the the O2 sensor, did you go with factory. I was leaning towards the fuel pressure regulator only because I'm out of ideas. Video time control bar. Replace the fuel filter annually, and never ever run below a 1/4 tank. I heard the idle speed kick up when I was inside the house so I came back out and realized that at was running extremely rich. Turn off engine 2. disconnect brown wire with black stripe.
A diesel truck will not fully reach operating temperature until after cure for this, which involves rotating the oil-pump drive just enough to allow the. 9/8/20 8:49 p. m. You positive you dont have an exhaust leak? That rich correction would be learned to all times- which *might* make it too rich at WOT. Performance... 1980 kenworth w900a parts this engine runs rough when cold misfires and so on, then when hot while running at higher speeds it backfires through the tbi unit. In reply to wvumtnbkr: I was leaning towrds lean, too, but the unplugging the injector thing threw me off. That might confuse the O2 sensor/. Last resort check the ignition module in the distributor and the pick-up coil as well, there are youtube videos out there for all of it.
I had a hunch that since the tank was pretty much empty and that the gas was old, my trusty Blazer just needed some good gas in the tank. This problem might also happen if the... A stock 350 motor can have as little as 145 horsepower and up to 370 horsepower in the LT1 model that was stock in the late 1960 Corvette. I will have to check the injector spray again with the timing light. Post #10 of 11 (19424 views) Re: 88 chevy 350 w/ tbi problems. Nov 18, 2003 · Definitely start with timing. I keep a log on what gets done to the truck so maybe it's time to check that and replace again.
Audio volume control bar. Misfires dump unburned fuel and unutilized air down the tailpipe, which can look lean to an O2 sensor. Does it go into closed loop and does it stay there when it acts up? Anyways, I've been through 3 different computers, it's currently running best on one from an '87. Do all of the temperature sensors make sense? A pointer intended for use with an 8-inch-od balancer won't have the timing marks correctly spaced for a smaller 6. Rokcrawlr1 Registered٠٧/٠٨/٢٠١٤... getting ready to change out the timing chain on my 92 350 379k... got it apart no problem, pan gasket looks good, tomorrow ill clean and... Entdecke GM 87-94 5.
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