Skip the auto shop - Our mechanics make house calls

Q: Opinion on cylinder deactivation system on GM trucks

asked by on

What do you think about the newer cylinder deactivation on newer GM pickup trucks? It seems like that would cost a fortune to fix when it breaks.

A: GM has been trying to use cylinder deactiva...

GM has been trying to use cylinder deactivation in Cadillacs for years now. In my opinion they are not very good. GM's are notorious for having horrible electrical problems and now they are making engines with electronic mechanical cylinder deactivation. They are only doing this in an effort to make their trucks get better gas mileage. There cars are known as gas hogs, so they try to compensate by using this technology.

I would recommend getting a smaller one, like a Ford engine. They've got 4-cylinder ones that get good gas mileage and have tons of horsepower if you floor it with those turbo systems they've put on the GDI. That would be my recommendation if you're looking for something with power and good MPG.

In conclusion, I would not mess with any of those GM cylinder deactivations. When they broke, they costed a fortune to fix and they broke frequently.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Ask a Mechanic
(100% Free)

Have a car question? Get free advice from our top-rated mechanics.

Ask A Mechanic
Over 10,000 questions answered!

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Save up to 30%

Get a quote

What others are asking

Q: Turbo blow off valve

Hello. The "blow-off-valve" or BOV, is a pressure-release valve designed to prevent over-pressurization of the engine, not the turbocharger itself. While hearing some of the sounds a turbo-charged engine makes while running through the gears is a most pleasant experience,...

Q: How do i get the ignition cylinder back in the steering column?

When you went to put in the lock all you had to do was turn the lock cylinder to the key on position, then the pin would push in and slide it into the column. Once that is done, you...

Q: On interstate, engine died, idled, no power

Your 2008 Kia Amanti may have the failed TPS and a reprogram of the ECM, but as far as a recall, there is not one and you cannot just have it claimed as a recall unless there is one for...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the P0052 code means This code is seen when the Engine Control Module (ECM) tries to control the...
How Much Does a Mechanic Make in Vermont?
Automotive technician jobs in Vermont have an average mechanic salary of $37k, with some mechanics earning a salary of $53k.
P2103 OBD-II Trouble Code: Throttle Actuator Control Motor Circuit High
P2103 means there is a fault with the throttle actuator control motor circuit, likely due to a defective electrical component or part.