compression test 1999 5.7 chevy|1999 tahoe.P0307 Misfire, compression test : importer If one or more cylinders have compression value lower than 15% of the highest compression value, your GM 4.3L (or 5.0L, 5.7L) equipped vehicle will run rough or cause a misfire code to set and turn on the check engine light. webWatch Kerolay Chaves playlist for free on SpankBang - 29 movies and sexy clips. Play trending and hottest Kerolay Chaves movies.
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Testing the engine compression on your 4.3L or 5.0L or 5.7L GM equipped vehicle is not hard. In this article, I'll guide you every step of the way and I'll also show you how to interpret the results of the compression test.
I test my compression gauges against each other and the regulator gauge on my air compressor a couple times a year. MOST (not all) compression testers that have a quick .If one or more cylinders have compression value lower than 15% of the highest compression value, your GM 4.3L (or 5.0L, 5.7L) equipped vehicle will run rough or cause a misfire code to set and turn on the check engine light. OK so I have a 1999/2000 Tahoe 149,000 5.7 vortec With a cylinder 7 misfire. I have changed the plug wire, spark plug wire for that cylinder and the distributor rotor.
Running Compression Tests
The Chevy 350 small block engine is a popular choice among car enthusiasts and has been used in a variety of vehicles for over 50 years. . The compression ratio of the engine varies depending on the specific model and . Hey All, I need to find out the compression ratio of my 96-00 stock 350 5.7 vortec engine w/std bore. I'v been getting different answers. I'm about to purchase one of the two cams for my build..but I'm using stock pistons and need to make sure my compression will be fine. Low compression 90 psi Chevy 1990 k1500 5.7 v8. Jump to Latest . I wasn't able to test the others because the compression tester adapter broke in the spark plug hole. Which took me sometime getting it out, but I only tested L4 and L3. L4 got 120 psi and L3 got 90 psi. Leads me to believe it could be a burned or stuck valve.
You can find this tutorial in Spanish here: Cómo Probar Los Inyectores Y Regulador De Combustible (GM 4.3L, 5.0L, 5.7L) (at: autotecnico-online.com). Important Tips And Suggestions. TIP 1: You'll need a fuel pressure gauge to troubleshoot the fuel injector assembly on your GM 4.3L, 5.0L or 5.7L pick up (van, mini-van, SUV). TIP 2: You'll be working around . About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright . 1997 k1500 5.7 engine has a knock did a compression test at 280k today. Cyl 1-170, cyl 3-170, cyl 5-90, cyl7-160 Cyl2-160,Cyl4-150 , Cyl6-140, cyl8-170 Any reason for low compression. Click to expand. There's always a reason. Sometimes there's more .
Chevy Forums FREE technical assistance for your restoration and repair. Model specific subject matter experts, classified ads and more. . just finished a compression test on a 1991 5.7 tbi motor with 92,000 miles on it, the results were #1-127, #3-120, #5-125, #7-130, #2-126, #4-120, #6-130, #8-125, only problem I forgot to tell my wife to .
As for the distributor nut, once the rotor is pointing to #1, you can tighten the nut down. There is nothing else to set, or do, because the ECM will do it for you. As long as the truck starts, and runs good, you are good to go. The Vortec 5.7L (350s) are the last of the original Chevy generation 1 small block engines. Compression Ratio: 9.4:1: Firing Order: 1-8-4-3-6-5-7-2 . 1-8-4-3-6-5-7-2: Horsepower Output: 290 hp @ 4,000 RPM: Torque Output: 410 lb-ft @ 3,200 RPM: Vehicles Applications. The Vortec 7400 had two variants, the L29 and L21, and they appeared in the following vehicles: L29 Vehicles: . i have a 1999 chevy suburban 3/4 ton 4wd with 7.4 . I'm going to do a compression test on Monday, to see if the problem really is mechanical. . 1995 Chevy Silverado 5.7 ~ 276K Miles. 2010 Ford Escape 2.5 ~91K Miles. Reprise. Lifetime VIP Donor. . Unfortunately. It looks like 1999 was the last year for the production line of your Gen I Version of the 5.7L Motor. so while much of the . Re: Compression test on 1996 mercruiser 5.7 bluewater yes this was a pre purchase compression test. my mechanic said there is nothing wrong with the 2 cylinders being 150 and the rest 175 psi . something is telling me it does not look good for the 2 cylinders @ 150 but mechanic says if there was a problem it would be much lower than 150psi . thanks for your .
1995 chevrolet c1500 5.7 Compression test results Hi guys So this is not really a repair question, but more of a your thoughts. This is my stepsons truck and it has a number of issues including a leaking valve.
1995 Chevy Silverado 5.7 ~ 276K Miles. 2010 Ford Escape 2.5 ~91K Miles. mrrsm. Lifetime VIP Donor. Supporting Donor. . TEST PROCEDURE . the Service Manual for your 1999 Suburban Vortec 5.7L Engine is the Bible. and should be followed; Chapter and Verse on how to properly do the job:
Did a compression test on my 5.7L 350 mercruiser and I had 175psi across all cylinders accept for one cylinder at 180psi. Is this acceptable? Reactions: javierlopez123. Reply. Upvote 0. split172 Member. Aug 3, 2015 531 712 Orange County Name One More Boat Name Steiger Craft 25 Jun 4, 2022 #2
1991 - 1999 Tahoe & Yukon Models. Engine & Drivetrain . 1999 5.7 Vortec Engine Work. Thread starter bunchz71; Start date May 9, 2017; Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. . Also, before I did all this, I ran a compression test on all cylinders. All cylinders had 160 - 170 psi .1999 Tahoe 5.7 misfire and fuel pressure question. Wow! I am thrilled to finally get on this forum!! . gauge shows nothing out of line and a water spray on the manifold to head joint comes up empty then look to do a compression or leak down test if . Re: 1998 Volvo Penta 5.7 GS Compression? Don,I have a brand new Snap On compression test kit which cost me a fortune and is extremely accurate. I did not heat up the engine first. I did this cold. I have heard if I did it with a warm engine I would get a slightly higher compression. The motor looks brand new.
Chevy Forums FREE technical assistance for your restoration and repair. Model specific subject matter experts, classified ads and more. . Post: 1999 K2500 - 5.7 idles rough when in gear stopped (Topic#316246) MooDivine Forum Newbie Posts: 24 . Compression test on 7 indicates zero compression.not even a puff of air. All other cylinders . The 1998 Chevy 5.7 Vortec engine is a powerful and reliable engine that was commonly found in various Chevrolet vehicles during that time. This engine is known for its performance and durability, making it a popular choice among car enthusiasts and everyday drivers alike. . the 1998 chevy 5.7 vortec has a distributor. It wasn’t until 1999 . Compression Testing The 1995 Suburban!!In this video I perform a compression test on my 1995 GMC Suburban with the 350ci 5.7l engine. This is the most common.
Chevy Truck Tech Forums. Chevy C/K Truck Forum 5.7 vortec Tps reading 0% at idle. Jump to Latest . A compression test will show this. Last GM 350s, Vortec 5.7L. Reactions: Differently. Save Share Reply Quote Like. Differently Discussion starter 407 posts 98 K1500 5.7L has low compression on one cylinder. 110 across the board dry, except #5 is 85 dry and 105 wet. Should this be enough drop to give noticeable performance issues? Rough Idle and Low RPM performance, fine at top end. Have decarboned intake, replace plugs, wires, cap and rotor. Decarboned IAC. 1999 Suburban K1500 5.7 Vortec 130K miles. Started misfiring, scan said misfire #5, Misfire is felt through the whole RPM range. . I checked the compression of #5 and it is about 130psi. I also verified there is spark going to the plug. Tomorrow I am going to switch plugs putting a known good one into #5 and then #5 plug into a hole I know is .
Long term fuel trim averages (approximate): Bank 1: -3.0% Bank 2: 5% Short terms (approximate): Both ~0.3% I've also been running Marvel Mystery Oil in the crankcase, and Seafoam in the fuel tank.
Attach the compression test adapter into the cylinder nearest the front of the engine, then connect the gauge to the other end of the adapter hose. To perform the test, crank the engine 4 times by turning the key in your car’s ignition, then check the compression gauge for the result. After you get a result for the first cylinder, repeat the . Chevrolet Silverado 1999-2006: How to Replace Upper Radiator Hose. How to Replace Upper Radiator Hose 1A Auto Parts Fix your Silverado's plumbing before bigger problems arise. This article applies to the Chevrolet Silverado GMT800 (1999-2006). If you're loosing coolant but don't .
I have a 99 Chevy Suburban with the 5.7 Vortec (not LS style) with 140K on the Motor. Was getting a P0303 code (#3cyl miss-fire) and a rough idle but good driving performance. . I did a compression test on the warmed up engine last night. Cyl#1=180 Cyl#3=90 Cyl#5=175. Squirted oil in the #3 cylinder and ran compression check 3 more timed. All .
How To Test The Engine Compression (GM 4.3L,
Compression Test on Vortec 5.7L
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compression test 1999 5.7 chevy|1999 tahoe.P0307 Misfire, compression test