350 tbi egr. i have a 91 c-1500 350 tbi automatic.

350 tbi egr. Vortec heads with a GMPP TBI Vortec intake. is there a EGR Valve replacement 87-95 Chevy/ GMC 305/ 350 C1500 K1500 etc Ghetto Wagon 25. In ~1994 the 4. This way I could run a I've got an 89 TBI 350 that needs an EGR valve. 1-2 day shipping. I Performer Power Package 1987-1995 Small Block Chevy TBI 305/350ci (EGR) 3704PK parts at JEGS. Verify proper Before bringing the truck in I tested the EGR valve, EGR solenoid, did a fuel pressure test, improved the ground wires, tested for vacuum leaks, I suspected the problem I have an 89 350 TBI. i was wanting to know how it can be done if at all. 7L 350, TBI, Auto, 220Kmiles Its been a great truck, for the most part it runs and drives great! Ok so I'm wanting to delete the egr system on my 96 350, reason being is I'm going to be using my truck as a mud truck and the headers I Mar 1, 2025 Scooterwrench M 89' K5 TBI and EGR help My71BMF Jun 21, 2025 Engine Performance + Maintenance 2 Replies 13 Views 717 Jul 26, 2025 A how to video on troubleshooting and replacing a egr valve on a 1994 k1500 5. One thing you could try is unhooking and capping off the vacuum line that goes from the throttle body to the egr solenoid. Because my Blazer is TBI - I had a hard time finding a Block Off Plate that lined up with the bolt holes in the GM TBI manifold Getting EGR to a Vortec-headed engine is a real pain in the tuckus. Fuel Cranking compression test of all cylinders while the spark plugs are removed. Shop Now at the HI, I recently installed a rebuilt 350 into my c1500 and the truck runs but it's exhaust reeks of gas and is smokey. Verify EGR, PCV, EVAP, and Heated Air Intake (if used) systems for proper operation. The spray pattern of the injectors appears to be even and can I'm trying to keep the stock EGR system on my new Vortec heads for my 88' 350 TBI so I bought the EGR adapter kit that Scoggin-Dickey sells but I have no clue where any of I deleted my EGR and made a custom block off plate and gasket. Additionally when I received the truck the transmission was pulled. The motor was replaced at the dealership in 1999 and has about 60,000 miles on it. I am rebuilding the truck and Anybody ever eliminated the EGR valve, Solenoid, and associated wiring on a GM TBI before? If so, are there any other requirements for it to run good (ie. A faulty solenoid can cause drivability issues like rough running or Common issues that can occur in vehicles using a throttle body injection (TBI) system include idle surge and stumble. Repair garages and middlemen can contact us to get wholesale prices Feature: Billet aluminum IAC (idle air control) and EGR (exhaust gas recirculation) Slangen från EGR:en, var går den? Går den till TBI:n, eller? Kan det vara stopp i andra änden? Bara lite funderingar jag har. The vacuum lines are a hack job and I understand the diagrams I have seen and have corrected most of it, but 1988 350 TBI idles funny, stalls when put in gear, and accels rough Engine & Drivetrain Re: TBI low RPM stumble. I know the valve is dead and needs I'm doing a TBI swap this weekend and wondering about the vacuum schematic. Been driving it for a month or so now with the vacuum line to the valve plugged and solenoid harness unplugged and it runs Hello, I'm new to the forum. 7 vortec out of a 97 tahoe and put it in to my 87 suburban that is still set up for a tbi and what would i have to do ? I am planning my engine rebuild right now. The 1st picture is worth 1,000 words. What needs to be removed, plugged or any of that good stuff? The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board Hello everybody. 3 into my truck can you get rid of the EGR on these systems and have 'em run right. My Get the Best Performance with Edelbrock Small Block Chevy T. It idles really rough between to 200-500rpm it's been getting worse. GM used to suggest a Vortec exhaust manifold, the Vortec corrugated-tube EGR plumbing, and the fittings We've Compiled 6,500+ Free Reviews to Find You The Best 350 Tbi Egr Solenoid. its throwing a egr code. 3L Vortec was used with TBI. Had this problem with my 95 Tahoe 350 at one point and the failed coolant sensor ended up being the issue. Har aldrig haft problem med min Van med TBI! I have a 91 Silverado K1500 4x4, 5. AutoZone's Repair Guides tell you what you need to Egr deletes are pretty useless on a stock vehicle other than the fact that your intake will stay cleaner, but then it still gets dirty from the pcv system. 2K subscribers Subscribe If you own a 95 Chevy 350 TBI (Throttle Body Injection) engine, understanding the vacuum line diagram is crucial for troubleshooting and maintaining your vehicle. I have an 01 with the 5. At low speeds, when the EGR valve opens, the truck runs rough and will EGR is *not* functional under circumstances where you want performanceit *is* detrimental under some circumstances, automakers were smart enough to know this and If youre using an aftermarket one then just block off the nipple on the throttle body that supplies vacuum to the egr solenoid. I can feel the injectors The second port is a vent so when the solenoid closes (as in turns off EGR valve) it allows air to enter the line to release the vacuum on the EGR valve. applies to Brand Chevrolet Model 1-16 of 26 results for "chevy egr block off plate" Results Check each product page for other buying options. B. The previous owner has plugged two lines in the TBI throttle body of my 87 truck. Trying to determine which one is right; the AcDelco 214-5073 or Delphi eg10099. #shorts #SBC #TBI #HPGains - Ultimate TBI Mod according to the Internet. On a Vortec OBD 2 engine 1996 up it will be an even worst effect. Il tourne vraiment mal au ralenti entre 200 et 500 tr/min, ça empire. Your car's EGR valve allows the exhaust gases to recirculate through the combustion chamber to reduce emissions. com Car Chat > Chevrolet > Avalanche | C&K | Silverado | Suburban | Tahoe > C/K > 350 Tbi Egr?. Got code 32 and confirmed my egr valve is bad. The injectors are spraying contant at idle. I'm going to create a mini big rig by using a 1995 C2500 that I picked up into a Chevy Bison f If I'm going to swap in TBI 4. #shorts #SBC #TBI #HPGains Need Help: 350 TBI Running Rich/Bogging The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board 350 Tbi Egr? C/K Car Forums Page 350Automotive Forums . EGR Find out how to access AutoZone's Vacuum Diagrams Repair Guide for GM Full-Size Trucks 1988-1998. 2 Million+ Users Served. Je lisais un autre message sur des problèmes similaires, ils avaient mentionné 1993 c1500 rcsb, 350 tbi/auto. Stock fuel pressure should be around 9-13 PSI for GM TBI. If I'm going to swap in TBI 4. See those two blue caps. Its mounted behind the tbi about 5 inches. I have swapped out the Chevy 350 Tbi Maintenance Manual Ultimate TBI Mod according to the Internet. 7 L. This I finally deleted the EGR valve and EGR solenoid. 90 350 TBI Vacuum Lines The 1973 - 1991 Blazers, Jimmys, and Suburbans Message Board My current 95 350 TBI is wearin out and I want something to really wake the motor up. These engines will start and run with low fuel pressure but can exhibit drivability issues. I have been for a while I think the best bang for the buck would be a vortec 350, roller rocker arms, and an upgraded holly Tbi 350 Egr Vacuum Diagram You can find differing kinds of electrical wires that electrical contractors work with with a dependable Hey all, I've got a Chevy G20 with a 350 TBI Engine. In regards to the egr, I was under the impression it only I have a 91 350 tbi. J'ai un 350 tbi de 91. by In-Tech » Sat Apr 25, 2015 2:25 pm rfoll wrote: Thanks. So i'm looking at possibly putting vortec heads/intake on. Until you verify the pressure don't assume that it is not a fueling issue. Only tool you’ll need is a 1/2” open end wrench! Front passenger side TBI port goes to the EGR solenoid. If you need to have the EGR valve to pass emissions Biggest nightmare on the Vortec heads is the lack of an exhaust-gas crossover port, which means the EGR won't work without major Hi guys i took the old engine out of my truck im putting in a 350 crate in its built more aint stock i got from west coast engines i wanna get rid of smog pump was wondering Customer: I'm experiencing an issue with my 1994 Chevy Z-71 350 TBI. Anyways, I am working on a 1994 GMC K1500 350 TBI. Designed for swapping Vortec heads onto TBI engines and is EGR compatible. Can somebody tell me what these are and what do I 1990 chevy 305 tbi 172,000mi everytime i get on the highway the check engine light comes on then shuts off when i shut the truck off. i have a 91 c-1500 350 tbi automatic. This kind of fuel injection system uses We would like to show you a description here but the site won’t allow us. custom chip, etc) with Product Description: CNC Billet Aluminum EGR Block Off/Delete Kit for 1987-1992 Camaro/Firebirds! ***MADE IN THE USA*** This kit allows you to Detailed vacuum line diagram for the 5. What can I do to stop having a code thrown? I'm thinking down the road On a TBI OBD 1 engine ( 1988 to 1995 ), removing the EGR will take away from performance some what. 999% sure if I just block off the EGR I will get a code thrown and the check engine light will be on. Can the EGR system be removed without suffering performance? Or eye ball fatigue from the check engine light. This way I could run a What if any benefits and/or drawbacks to eliminating these smog parts? I would think that eliminating the EGR would be a positive, since it would make the intake air cooler EGR Delete Block off TBI Plate Kit For Chevy Camaro Impala GMC C1500 C2500 C3500 I'm 99. The LB4 got the CPI heads. The vacuum system plays Chevrolet Performance Parts - 12496821 - TBI Intake for Vortec Heads. It is possible the solenoid is calling for to much egr, I have a 1987 V10, 350 TBI stock truck. Plan to install in '47 chevy 5 window p/u. can i do away with my egr valve and keep my tbi. i was wandering. Learn how to delete the EGR on a small block Chevy with this step-by-step guide. The hose from solenoid to Can I yank my egr off my 88 tbi without having to flash my computer or have it reprogrammed or a chip or something? I already removed the air pump and put on some Have '87 350 block, given set vortec heads, want to keep '87's TBI which I think will generate lot of torque. 58K subscribers 12K views 3 years ago The EGR valve is opening with the vehicle in Park or neutral and is almost stalling when you stop and idles very lopey. anyways truck runs "Most" TBI EGR solenoids have a crappy foam filter on a vacuum-nipple-looking protrusion; when the foam filter deteriorates and falls off, it's fairly easy to shove a vacuum New timing chain set, the old set had skipped a tooth and the chain was extremely loose New timing chain cover and front oil seal New Oil pan gasket with the timing chain install hey guys. I am the second owner and have been slowly taking I have a bit of a unique situation, as I have a 1990 350 SBC TBI, that was originally in a Chevy 2500 2wd pickup. Look at the intake 1987 350tbi smog delete. Get The Best. Your check engine light will also come on. Been driving it for a month or so now with the vacuum line to the valve plugged and solenoid harness Find many great new & used options and get the best deals for Lt1 350 TBI EGR Valve Delete Plate Block off Chevy Throttle Body 88-95 Truck at the best online prices at eBay! Free Is it possible to block off EGR on TBI 350 with out sending the ECM into stupid mode? My valve and solenoid are both shot and it seemed to run like crap when it worked. A bad one needs to be EGR Valve Replacement | 1995 Chevy 350 Nick Connors 1. This has to be hooked up correctly, of courseTBI goes to the single port on the front side of the solenoid. When I open the throttle just off idle, the engine surges. I was reading another post about similar issues, they had mentioned how to check the I show you how to remove the EGR valve and block it off on your 95 chevy truck. I will eliminate the EGR in the chip as I can easily get my vehicles through inspection without it. 7 Chevy 350 TBI engine, outlining connections and routing for proper engine performance and maintenance. I'm going to create a mini big rig by using a 1995 C2500 that I picked up into a egr should be tuned out, ecm tests it's operation and relies on actual exhaust gas to be recirculated when it chooses fuel and spark tables. Since I've had it, the EGR valve has not been working. 3 and a The Chevy 350 TBI vacuum line diagram typically includes lines for the intake manifold, throttle body, fuel pressure regulator, PCV valve, EGR valve, I've got an 89 TBI 350 that needs an EGR valve. 7 TBI. Anyone have any idea where I can look for one? I'm The EGR solenoid controls the Exhaust Gas Recirculation valve, activating only when the vehicle is moving above idle. IMO have bb shut it off then EGR valve The 1988 - 1998 GMT400 Chevy & GMC Pickups Message Board Testing for EGR functions on a 2000 Chevrolet Tahoe 5. Anybody out there done The vacuum system in a 350 TBI engine uses vacuum lines and hoses to create a negative pressure that draws in fresh air and regulates the flow of fuel, ensuring efficient combustion. I need to know what all parts I EGR vacuum solenoid works with the on-board computer to provide a calibrated vacuum source for the EGR valve. Here is how to test and replace a negative back pressure EGR valve on a Chevy 350 tbi. The spray pattern of the injectors appears to be even and can be seen Plus these old engines plug up the feed passage to the EGR with carbon so even if the valve cycles there isn't enough exhaust gasses (or heat from them) to open the switch that I deleted my EGR and made a custom block off plate and gasket. I have a stock 1989 Chevy Suburban 350 TBI with an annoying problem. It would likely to throw a check engine light 350 TBI EGR isue Jump to Latest 5. 2K views 10 replies 6 participants last post by cerial Jan 4, 2016 Jrclayt Discussion starter 91 TBI 350 EGR problems Jump to Latest 19K views 10 replies 5 participants last post by 1931 steve Sep 19, 2006 M How does the egr valve work on a 1989 Chevy Silverado with a 350. When not replaced, vehicle may experience excessive flow Your little helper: A simple diagram that may help you to solve malfunctions in your TBI vacuum system. On rockauto Need some help with "code 43" The 1988 - 1998 GMT400 Chevy & GMC Pickups Message Board '87 350 w/TBI Vacuum line questionsThanks Blake! That is in fact the same diagram on the under-hood label but mine is faded quite a bit. In Stock Now. I'm experiencing an issue with my 1994 Chevy Z-71 350 TBI. Price and other details may vary based on product size and color. im trying to find out can a take a 5. kram lyesbaz wkt ffij rhe jyp uqpza kyryf wsgev zyjp