Common questions

What kind of engine does a 99 Tahoe have?

What kind of engine does a 99 Tahoe have?

I got a 99 tahoe 5.7 vortec with multiple misfires under load/accelerating. So far Ive replaced; plugs, wires, cap n rotor, coil, egr valve, fuel filter, o2 sensors. Tested; vacuum, fuel pressure, OBD 2 scan. All in which came back ok/no codes.

What was the problem with my 1998 Tahoe 5.7 Vortec?

Just had the same problem on my 1998 5.7 vortec first it started with just the #6 misfire then multiple misfires. turns out it was a bad fuel injectors. Since i was towing my boat i ignored it for a couple hundred mile till i got to my destination.

Why did my 99 Tahoe have multiple misfires?

Re: I got a 99 tahoe 5.7 vortec with multiple misfires… This is one of those situations that a professional diag would of saved you alot of money. Its possible you just got bad gas and your injectors are partially clogged. An 02 sensor would not give multible misfires.

What to do if your Tahoe is misfiling?

If its idling and misfiring and gets better as you rev it up most likely you have clogged injectors or a intake vacuum leak. You can test for a intake leak by spraying the intake area with water (idle will faulter if it draws water in), or use brake cleaner (idle will raise when fluid gets drawn in).

What should the pressure be on a Tahoe 5.7?

If the pressure is above 5psi this would indicate some blockage. It should be below 3psi at 2000 rpm. Also if you have K/N filter the oil from it will coat the maf sensor wires in time,, (always). You can remove the sensor and spray the wires with brake cleaner to clean. DO NOT touch them. They can be brittle.

What kind of engine does a 1999 Tahoe have?

I have a 1999 Tahoe with the same engine and 188,000 miles. Only engine work was intake manifold gasket replacement due to bad GM anti freeze. 7 people found this helpful.

What’s the difference between TBI and Vortec in a Tahoe?

If you’ve got a 99 Tahoe, you don’t have TBI – you’ve got a Vortec (dry intake vs. tbi’s wet intake). I wouldn’t go backward in technology. Power and efficiency can both be gained with the Vortec compared to the TBI/carb setup. Thanks for the knowledge!

What kind of engine does a Vortec 1500 have?

After letting my 1996 Chevrolet 1500 work truck with 5.7L vortec v-8 and 4L60e trans (203K on the engine, recent rebuild on trans) sit in the driveway for a couple weeks, I hopped in to head to the parts store. And…

What can you do with a Chevy Tahoe Vortec?

Power and efficiency can both be gained with the Vortec compared to the TBI/carb setup. Thanks for the knowledge! I am going to STROKE this hoe! I am finding it increasingly hard to find top end stuff with this.

What kind of distributor does a 6 cylinder Chevy Tahoe use?

This pointer may have a 6 cast into it, indicating that the distributor is to be used on a 6 cylinder engine or a 8 cast into it, indicating that the distributor is to be used on a 8 cylinder engine.

What kind of engine is a 1999 Chevy Tahoe?

I’m working on a 1999 Chevy Tahoe engine code R. I’m doing a 5.7 liter short block rebuild and didn’t mark the distributor base before pulling it out. What is the correct alignment when setting the distributor with a cam sensor in it?

Where can I buy a Chevy Tahoe engine?

Shop AutoZone for Chevrolet Tahoe Engine. 10% OFF $75. Use Code: DIYSAVE10 Online Ship-to-Home Orders Only Regardless of what you’re doing or where you’re going, your Chevrolet Tahoe engine powers you in style.

What causes a Tahoe to have a no start condition?

Installing the driven gear 180 degrees out of alignment, or locating the rotor in the wrong holes, will cause a no-start condition. Premature engine wear or damage may result. With the gear in this position, the rotor segment should be positioned as shown for a V6 engine (1) or V8 engine (2).

Where is the distributor located on a Chevy Tahoe?

With the gear in this position, the rotor segment should be positioned as shown for a V6 engine (1) or V8 engine (2). The alignment will not be exact. If the driven gear is installed incorrectly, the dimple will be approximately 180 degrees opposite of the rotor segment when the gear is installed in the distributor.

I got a 99 tahoe 5.7 vortec with multiple misfires under load/accelerating. So far Ive replaced; plugs, wires, cap n rotor, coil, egr valve, fuel filter, o2 sensors. Tested; vacuum, fuel pressure, OBD 2 scan. All in which came back ok/no codes.

Just had the same problem on my 1998 5.7 vortec first it started with just the #6 misfire then multiple misfires. turns out it was a bad fuel injectors. Since i was towing my boat i ignored it for a couple hundred mile till i got to my destination.

Re: I got a 99 tahoe 5.7 vortec with multiple misfires… This is one of those situations that a professional diag would of saved you alot of money. Its possible you just got bad gas and your injectors are partially clogged. An 02 sensor would not give multible misfires.

If the pressure is above 5psi this would indicate some blockage. It should be below 3psi at 2000 rpm. Also if you have K/N filter the oil from it will coat the maf sensor wires in time,, (always). You can remove the sensor and spray the wires with brake cleaner to clean. DO NOT touch them. They can be brittle.

Where did the 1999 Chevy Tahoe come from?

1st owner purchased on 08/03/98 and owned in AR until 07/07/05 • 2nd owner purchased on 02/17/06 and owned in AR until 05/27/09 • 3rd owner purchased on 05/27/09 and owned in SC until .

Where can I buy a 1999 Chevy Tahoe?

Carfax: * Clean Carfax * 3 Previous Owners * 11 Service History Records Available *** Credit Union Financing Available with rates starting as low as 2.99%. *** This car is safety inspected. Call today at 636-356-1020. Stock#P6391 617 JOHN DEERE DR.

What should pressure be on 99 Tahoe 5.7 Vortec?

We put a pressure sensor in place of the 02 sensor. If the pressure is above 5psi this would indicate some blockage. It should be below 3psi at 2000 rpm. Also if you have K/N filter the oil from it will coat the maf sensor wires in time,, (always).


What does the Check Engine light in a Chevy Tahoe mean?

It is a source of curiosity for many drivers, who have different opinions about what it means when the amber-colored engine-shaped icon lights up in their vehicle. The “check engine” light in a Chevrolet Tahoe can mean many different things, depending on whether it is flashing or steady.

What causes an intake manifold gasket to fail?

An overheated engine is another reason of the failing intake manifold gaskets. Continuous coolant leaking is the cause of overheated engine. In every time you do not appear the coolant to be leaking. Sometimes coolant will not leak in the intake manifold gasket, directly go to the intake manifold. It causes to overheat the engine.

What happens when the EGR valve gets stuck on a GM 4.3L?

This tutorial addresses a very common problem I’ve seen on the 1987-1995 GM 4.3L, 5.0L, and 5.7L engines with throttle body fuel injection system: a stuck open EGR valve. And when the EGR valve gets stuck open, it’ll cause a rough idle condition that may hard to diagnose.

How to test throttle position sensor ( GM 4.3L )?

You can find this tutorial in Spanish here: Cómo Probar El Sensor TPS (1996-2004 GM 4.3L, 5.0L, 5.7L) (at: autotecnico-online.com ). Beside the check engine light (CEL) being on and driving you nuts, your Chevy or GMC pick up (or SUV or van) may be experiencing one or several of the following symptoms:

This tutorial addresses a very common problem I’ve seen on the 1987-1995 GM 4.3L, 5.0L, and 5.7L engines with throttle body fuel injection system: a stuck open EGR valve. And when the EGR valve gets stuck open, it’ll cause a rough idle condition that may hard to diagnose.

Can a bad throttle position sensor cause idle surging?

Idle surging can be caused due to other issues in the car, but if it happens in conjunction with other throttle position sensor symptoms, the culprit is often the TPS. At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges. 3) Check Engine Light

Can a bad check engine light be a bad TPS?

The check engine light will randomly turn on and off even if the car is running smoothly without any jerks and stalling. This is often the first ever symptom of a bad TPS. Using a code reader, you should be able to confirm whether a faulty TPS is the culprit or a different component.

What causes idle surges on a car ECM?

Idle surging can be caused due to other issues in the car, but if it happens in conjunction with other throttle position sensor symptoms, the culprit is often the TPS. At idle, the ECM will not get the correct information and the throttle will variate randomly causing idle surges.

Carfax: * Clean Carfax * 3 Previous Owners * 11 Service History Records Available *** Credit Union Financing Available with rates starting as low as 2.99%. *** This car is safety inspected. Call today at 636-356-1020. Stock#P6391 617 JOHN DEERE DR.

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Ruth Doyle