chevy 5.7 vortec engine problems

faaita43269 May 22, 2022 57 , chevy , engine , problems Comment

Posted February 2 2016. If the engine idle changes you have an issue.

1996 1998 Vortec 5 7 Hesitation Problem Youtube

The Vortec 5300 namesake was finally replaced with the fifth-gen smallblock family starting with the model year 2014 trucks and SUVs.

. Chevy 57 Vortec Fuel Pressure Regulator Location. Since engine timing is determined by the crank sensor and PCM it is possible for the rotor to not be pointing exactly where is should when the spark comes through. The problem got worse.

1998 chevolet 3500 pickup. So i went to check out the cap on my 97 gmc 57. I tell my local dealer if he can order me a new 98 last year of that generation Chevy half ton at new 98 half ton prices I will take 2.

However the plaintiffs believe oil is burning off in the combustion chamber due to. His old engine was getting around 15mpg highway yet his new reman is getting 11-12 highway and 9mpg in the city. The engine is timed correctly and it has a wait4me tune and catless exhaust.

Specis 60-66psi at Key On ENgine OffKOEO Key On Engine Running will be slightly less. Once hitting approximately 2000 rpm it tends to. Go to any dragstrip in America on any given night and you will see a lot of fourth-generation Camaros and Firebirds.

Some help diagnosing the hesitation and bogging down problems on the 57 vortec engines. This last weekend after driving for about 3 hours it cut out on the exit ramp and would start and run for a couple of seconds and. Joined Mar 10 2010.

New fuel pump 25000 miles ago. On the Chevy 57 Vortec fuel pressure regulator place the fuel pressure regulator can be found under the higher intake uniform plenum on the fuel rail. Make sure the ac and blower are in the off position so the compressor doesnt cycle.

However there are a few issues reported by owners and mechanics. Sounds like your engine immobiliser fuel cut off is activatingtry taking battery teminals offre-connect and re activate your immobiliser fob the usual way it will re-set itself or your fob battery may need changingits anti-theft cut off that is your problemgood luck. Common 57L Vortec Engine Problems.

GM made changes to their Vortec 5300 engine design in 2007 in an effort to improve performance. I have a 1997 Chevy Cheyenne 57 vortec k2500. This can cause misfires and cam sensor retard should be one of the first things checked on any Vortec setting misfire codes.

Generation-five Ecotec3 53 Problems. Overall mechanics report the Chevy 57L Vortec engine is reliable for towing and daily driving. My dad has a 96 Silverado ext cab 4x4.

Problems with the Throttle position sensor EGR Valve Idle Air Control Valve clogged catalitic converters. HI I have the same problem with my 57 Chevy Vortec engine. The 53 engine is now known as the Ectotec3 53-liter V8.

Never an issue other than the intake gasket at 100K or so. Drives1998 k1500 Z71 57L 4L60E. Had 225K on it when I got rid of it.

57 Vortec Engine hard to start. If you get a check engine light and codes for engine knock on your 60L vortec it could be actual engine knock. Replaced the in-tank fuel unit with a brand new one fuel pump metal housing electricals seem to have given in after sometime.

I have a 1996 Chevy 1500 vortec 57. Engine knock itself is bad and does tend to be a problem on some Vortec engines but usually only when the engine is cold. You can smell gas under load you get backfires in the catalytic converter on long trips the cat runs so hot the carpet under the seat smokes.

The major difference between these engines and the Vortec 5300 engines is the fuel injection system. Defective low-tension oil rings which allow oil to seep into the chambers. Sputtering on acceleration Mechanics report that some engines sputter and sometimes backfire once passing 1000 rpm.

Best truck I ever owned was 1997 Chevy with 57 Vortec and a 4l60e transmission. A natural drag racer with their fairly light weight rear wheel drive strong transmissions and simple suspension the mid-90s F-body cars also featured a stout 350-cubic-inch LT1 V8. Discussion Starter 1 Apr 9 2011.

The most telltale sign is a knocking noise but the sensor is also there to create a check engine light. I have checked the fuel pressure at the test port. In the past if we let it sit for a while it would start and run fine.

To start off the truck runs great other than the shakes at low rpms and has been this way for 7500 miles when I bought the truck 8 months ago. It only happens once in a while and usually when the outside temp is 85 or higher. With the key on fuel pressure builds to 65 lb.

Hi there - I am struggling to figure out why my 99 Chevy K3500 with a 57l vortec is running rich very very rich. The Big Problem with Chevys 57 LT1 V8. I experienced the same fuelstarting problem as RAVINMAGEE CHRIS3KGT and this is how I managed to overcome it and NEVER experienced it since.

But drops really quick while running at idol speed the pressure is at 55 lb. While i was removing the. The problem does not occur when the engine is cold only when warmed up and doesnt happen everytime it is warm.

I own a 98 Chevy 1500 with the 57 Vortec and a problem with hesitation occurs under heavy acceleration and when the downshifts into a lower gear like when at highway speeds climbing a s need to check your fuel pump pressure should have 55 psi these trucks are bad on fuel pumps. He recently spun a bearing in the original 57L vortec 140k miles and replaced it with a Jasper reman. Could be a vacuum leak take some brake cleaner and spray it around all selaing points of the intake.

The most frequent sign of excessive fuel pressure is an engine that runs rich resulting in poor performance and economy and emissions problems. Only show this user. Here is the strange thing i found why the miss.

10-01-13 0615 AM - Post 2386990.

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I Have A K2500 4x4 5 7 Vortec Took It To A Chev Dealer To Have It Tuned And Was Running Fine Till This Morning It Chevy Crankshaft Position Sensor Engineering