What kind of engine is a GM 4.3 liter?

The 4.3 liter V-6 engine used in GM trucks and vans, beginning in 1985, is based on the Chevy 350 small-block V-8. Beginning in 1988, this engine featured “Vortec” cylinder heads that created a swirling air/fuel mixture in the cylinder for improved combustion efficiency.

What kind of fuel injection does a GM Vortec have?

I n 1992, General Motorsintroduced a very unique fuel injection system on its 4.3-liter Vortec V6 truck engine. Dubbed Central Port Injection, or CPI, the system looked and functioned much differently than previous designs. The CPI system utilizes one main injector that pressurizes six plastic tubes housed in the in- take manifold.

What’s the difference between a 4 cylinder and a V8 engine?

If you are a bit into cars, you have probably noticed that there is a difference in sound from different engines. V8 engines have a very different tone than a four-cylinder engine. If your 4-cylinder engine is misfiring on one cylinder, it may sound like a three-cylinder engine.

Why is my Chevy 4.3 engine still running?

Checking your vehicle’s fluid levels is always a good idea to maintain the overall longevity of the engine. Once you have ruled out all the basics, you can go back to what the Chevy 4.3 engine is known for: bad idle air control valves and throttle control switches.

Where does the 4.3 liter Vortec engine come from?

The 4.3 Liter Vortec engine is built by General Motors. This is a V6 engine that has had a long history, although much has changed along the way.

What should fuel pressure be on GM 4.3L Vortec?

You can find this tutorial in Spanish here: Cómo Probar La Bomba de Combustible (GM 4.3L, 5.0L, 5.7L) (at: autotecnico-online.com ). The fuel system in your 4.3L, 5.0L, or 5.7L Vortec engine needs at least 50 PSI of fuel pressure to start.

What kind of engine is a 4.3 liter?

The 4.3 Liter Vortec engine is built by General Motors. This is a V6 engine that has had a long history, although much has changed along the way. The 4.3L Vortec built today is certainly significantly different from the original Vortec first offered in the mid-1980s. The list of cars that have used the 4.3L Vortec is a long one.

What kind of engine is in a Vortec 4300?

4.3L Vortec 4300 Engine Specs. The 4.3 Liter Vortec engine is built by General Motors. This is a V6 engine that has had a long history, although much has changed along the way. The 4.3L Vortec built today is certainly significantly different from the original Vortec first offered in the mid-1980s.

What should compression reading be on GM 4.3L?

When performing an engine compression test, what you’re looking for is an average compression reading of less than 90 PSI across all or the majority of the engine cylinders. If you have one or just two readings that are under 90 PSI your GM vehicle will still start and run, albeit with a misfire condition.

What do I need to troubleshoot GM 4.3L?

Here are some of the basic tools you’ll need: Fuel pressure gauge. Spark tester. Compression gauge. Multimeter. You can find a complete list of tutorials here: GM 4.3L, 5.0L, 5.7 Index Of Articles. Below, is a sample of articles you’ll find in this index of articles:

What to do if your GM pick up has no start?

One of the most overlooked areas, when testing a hard to diagnose no-start, is the mechanical condition of your 4.3L, 5.0L, 5.7L GM pick up, van or SUV. Checking the engine mechanical condition means an engine compression test.

What kind of engine does a GMC Sonoma have?

The 2.8-liter V6 is acceptable for most requirements, while the 4.3-liter sends these trucks to the head of their class for acceleration and towing. Syclone models offer brutal performance with 0-60 mph times under five seconds. A 4.3-liter long-bed Sonoma with automatic averaged 21.5 mpg.

What kind of engine does a GMC pickup have?

By 1993, GMC’s “enhanced” 195-horsepower version of the 4.3-liter might be installed on all models except the Special and 2WD long-bed. (Chevrolet compact pickups could not have the “enhanced” engine.)

How to troubleshoot a no start GM 4.3L pick up?

Testing a Cranks but Does Not Start condition on your GM 4.3L, 5.0L, 5.7L pick up, van or SUV is not that hard to do, if you have a solid diagnostic strategy. In this article I’ll show you the basics of testing such a problem.

What kind of transmission does a GMC S15 have?

A 5-speed manual transmission was standard with the 4-cylinder, 2.8-liter V6, and regular 4.3-liter V6. Four-speed overdrive automatic was optional (mandatory with the enhanced 4.3-liter), but not available with the 2.8-liter V6.

What kind of noise does a Chevy 4.3 make?

by Contributor. A common complaint with the Chevy 4.3 engine is that it doesn’t idle well, it’s loud and makes awkward noises. Examples of this are staling, lurching and poor acceleration. Poor idling and loud engines usually go hand-in-hand.

What to look for in a Chevy 4.3 engine?

Look for corrosion, breaks, exposed wires and loose connections. Considering the Chevy 4.3’s reputation, the broken wires and valves you find are probably related to the IAC and TCS. However, It’s best to double-check your car’s manual to pinpoint exactly what you are looking at.

What kind of engine does a 1992 Chevy truck have?

C3500 The 1992 Chevrolet C3500 truck featured a 5.7-liter V8 engine capable of producing 190 horsepower at 4,000 rpm. All models came standard with a five-speed manual transmission and a fuel tank that could hold a maximum of 34 gallons of gas.

What is the normal operating temp of 4.3 Chevy truck?

I had a cold engine temp code on my 2013 Silverado too. I was told to replace the engine coolant temperature sensor as those are common to fail on the 4.3 V6 engines. Instead I bought one of those gauges that plugs into the OBD2 connector below the steering wheel & reads live senor streams.

What kind of gas tank did a 1992 Chevy truck have?

All models came standard with a five-speed manual transmission and a fuel tank that could hold a maximum of 34 gallons of gas. The 1992 C3500 had rear-wheel drive and a front anti-roll bar to aid handing characteristics. Rear-wheel anti-lock brakes came standard.

What kind of engine is a GM 4.3 liter?