Why does my Chevy Tahoe stall at idle?

We took carborator/ throttle body cleaner, sprayed and cleaned the carbon out. Apparently, carbon starts to build up in the throttle body where the flap is and it throws off the sensor. Since than the idle is back to norm and it has not stopped on us once.

What’s the idle speed on a Chevy Tahoe?

Ive replaced plugs, wires, rotor, distributor cap, O2 sensor, Catalytic converter and the muffler that was rusted out while I was down there. It runs and sounds better but…The idle is a little rough, but not much. The idle stays pretty much at 600-700 in drive, a little higher in park.

Why does my Chevy Tahoe not kick over?

It was shutting off on us when we came to a stop. Then eventually it just wouldn’t kick over. So, then a friend of ours who is a mechanic told us to knock on the fuel tank and if the car started rite up then it was the fuel pump. Again, with the help of the manuel I was able to change myself.

What are the symptoms of a bad throttle / accelerator pedal?

Symptoms of a Bad or Failing Throttle/Accelerator Pedal Position Sensor. $79.99 – $89.99. Average rating from 4,829 customers who received a Check Engine Light is on Inspection. The days of having to constantly adjust the throttle cable due to a loose nut on the carburetor are long gone.

Is there an idle throttle on a Chevy Tahoe?

The Chevy 6.0L w/ electronic throttle (no cable) does not have a idle air control motor (valve). The electronic throttle motor and pcm control the idle. On models that have no idle air control motor there is a small machined opening on on the throttle body that prevents the throttle plate from completly closing.

What causes a Chevy Tahoe to stall at a stoplight?

These were just some of the most common ones. A dirty throttle body can lead to stalling in your Tahoe. If you let off of the gas coming to a stoplight and it stalls for a second or two and recovers itself, it very well could be a dirty throttle body that is causing the problem.

Can a car stall with a bad throttle position sensor?

The engine can stall for no reason and without any warning. This happens when the TPS gives incorrect information to the ECM. The engine can stall at high speed, at low speed, or even at idle. A faulty throttle position sensor will not let your car accelerate normally. Though this doesn’t happen all the time.

Why does my car stall at high speed?

The engine can stall at high speed, at low speed, or even at idle. A faulty throttle position sensor will not let your car accelerate normally. Though this doesn’t happen all the time. You may experience slow acceleration, acceleration surge at both high and low speeds, hesitation or delay in acceleration, and other related symptoms.

Are there any problems with the Chevy Tahoe?

One time had to run off into the ditch to avoid an accident. Took it to the dealership and they said “Nothing in the computer to tell us what to fix”. They don’t even care.

Why does my Chevy Tahoe shut off after hitting a bump?

I have a 2003 Chevy Tahoe that’s been shutting off for a second or two when I hit a bump. The door locks cycle, the ABS lights come on and the display says “service brake system”, sometimes the check engine light comes on.

What’s the idle rate on a Chevy Tahoe?

The vehical also seems to idle low 550rpm down to 400 and lower on occasion. I have attempted to locate the idle air valve but it doesn’t seem to have one in the location in the manual (on throttle body by altinator). I can only find what I believe is the Throttle position sensor in that location.

What kind of car stalls at idle speed?

I have a “Late” 2001 Suburban LT 1500 2WD that stalls when you are slowly moving the vehicle. It most commonly occurs when pulling into a parking lot at idle speed. The vehicle runs great at speed and if you hold your foot lightly on the accelerator it will not die.

When did my Chevy Suburban start stalling out?

We purchased it from a Chevy dealership back in 2002. It was a GM buy-back, for the same reasons it’s now having. NO DTC’s, NO CEL. Having a problem with stalling. It usually happens after backing out of parking areas when vehical returns to idle while shifting from reverse to drive.

Why does the engine stop working at idle?

This actuator receives information from the electronic control unit (ECU) so it knows at what RPM to keep the engine for a smooth and safe idle. When the actuator malfunctions, the engine gets no signal for idling speed and stops working.

Why does my car stall at highway speeds?

The engine may start and idle fine, but run out of power or even stall at highway speeds. If the engine starts right back up after stalling, the likely cause is low fuel volume delivery because of a weak pump. If the engine is running normally one minute, but suddenly quits, loss of ignition may be the problem.