Q: Car loses throttle and starts to putter then Car computer says engine power reduced then engine disabled.

asked by on March 04, 2017

Car loses power and starts to putter then dash computer says engine power reduced then engine disabled also power steering disabled
My car has an automatic transmission.

Reduced Power light is on Inspection $79.99 - $89.99 Get a Quote

Hi there. It is very likely that you are having problems with the throttle body on your Pontiac G6. If you are seeing the reduced engine power light on the dash, it is typically triggered by a faulty throttle body, throttle position sensor or malfunctioning O2 sensors. I would recommend having a professional mechanic come to your location and complete a reduced power light inspection.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

What others are asking

Clunking and vibration from front driver's side. Intermittent grinding as well.

What you are describing sounds like a failing CV joint. A CV (Constant Velocity) joint is a shaft that connects the transmission to the wheels, essentially transferring the power from the drive train directly to the wheels. The CV joint...

side mirrors adjust automatically with memory seat but not independently from control on armrest

Hi there, thanks for writing in. Once the seat memory is set it can only be changed to a new position unless the memory seat module is either replaced or reprogrammed with the correct scan tool. As for the mirrors...

My car vibrates between 50-60 mph

A vibration while driving is generally caused by something that rotates with vehicle speed. A number of components can be the cause. An out of balance tire or tires, as well as an out of round tire (shifted belt) or...

Car heater was blowing cold air until at highway speeds, then stopped putting out any heat. Dealer says blown head gasket

You may have a clogged heater core which may be preventing the heater from working properly. Generally, a blown head gasket would cause the car to overheat and would eventually get worse to a point where the vehicle would no...

Air conditioning and heater will turn on sometimes.

Check the wiring from the motor switch to the a/c and heating selection. Either the wiring is loose and is moving around causing the system to not operate properly or the switch has failed. If you need further assistance with...

Mechanic Says its Motor Mount, but...

Hello. The struts have no connection whatsoever with the engine or transmission mounts. At 70,000 miles, it is not likely motor mounts will have failed UNLESS tremendous loads have been consistently put on the engine through, for example, abrupt acceleration....

My 2007 Maxima stalls and bucks mainly after takeoff. What can possibly be the issue?

Stalling is typically an engine related issue unless something very unusual like a torque converter malfunction is at issue. So, engine management and controls would be evaluated first in a diagnostic. Among the causes that would be considered are a...

My car dies randomly when I'm coming to a stop

Hi Destiny. When the AC is turned on or your vehicle is activating a "cooling mode", the engine undergoes a tremendous amount of load. When this occurs, existing problems that can be hidden in most cases will accelerate and cause...

Smoke and oil leaking after oil change - 2005 Mercedes-Benz SLK350

Take it back to the dealer that did the oil change. There is likely still excess oil somewhere, or something was incorrectly re-assembled.

Related articles

The Best Used Cars to Buy for Occasional Drivers
Not Not everyone relies on their car on a daily basis. Maybe you aren’t the type that deals with a daily commute, and running from here to there constantly. If that’s the case, you may be looking for a car...
How to Buy a Classic Pontiac
Whether you want to buy a classic Pontiac for yourself or as a gift, here are some tips on buying one for a great value.
Pontiac Certified Pre-Owned (CPO) Car Program
If If you’re in the market for a used Pontiac vehicle, you may want to check out cars under their certified pre-owned program. Many manufacturers have a certified pre-owned (CPO) program, and each one is set up differently. Read on...