Q: Motor idles fine, when you give it gas it bogged down, already changed the plugs,wires,distributor cap and rotor

asked by on October 06, 2016

What can cause the motor to bog down when you give it gas? It idles perfect. Has new plugs, wires, distributor cap and rotor

My car has 200000 miles.
My car has an automatic transmission.

Mass Airflow Sensor Replacement $188.36 - $786.53 Get a Quote
Loss of power Inspection $94.99 - $114.99 Get a Quote

Hi there, thanks for writing in about your Chevrolet C1500. It’s highly likely the mass airflow sensor is bad. To verify, a scan tool should be connected and observe voltage changes in the mass airflow sensor readings. Same for oxygen sensors. If you need help with this, consider YourMechanic, as one of our certified technicians can diagnose your loss of power and help you fix it accordingly.

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


Experienced Mechanic?

Earn up to $70/hr

What others are asking

How do I delete a paired phone?
If you are no longer going to use a phone with the Bluetooth system, you should delete the pairing. To do so only takes a few steps: 1. Press the Setup button. 2. Rotate the Tune-Scroll knob to Bluetooth, then...
Transmission issues in the third gear on a 2014 Skoda Octavia
All the Volkswagen products are notorious for having the shifter bushing problems. So, have the shifter bushings checked. They are plastic and can wear out really fast. If it's not that, it's a third gear going out on the transmission....
Transmission slips
The transmission may be slipping internally from a bad clutch servo or it has an internal seal leak. Have the transmission tested for proper pressures to see if it is a solenoid issue or the seals are leaking causing it...
Error code P0299
The code P0299 (https://www.yourmechanic.com/article/p0299-obd-ii-trouble-code-turbo-supercharger-underboost-condition-by-spencer-clayton) is for an underboost condition, where the computer wanted more boost but only received a low output. This code can be set from a weak turbo, intake leaks, or a bad boost sensor. All of these...
Battery replacement
Your battery is generally held in by a strap or a set of bolts and connected to two cables (positive and negative). Depending on your ability and access to tools, this generally requires very little time and a couple of...
Coolant is dripping on the floor between the engine and wheel shaft.
Hello, there are several possible sources of coolant which can leak (https://www.yourmechanic.com/article/how-often-do-i-need-to-top-off-my-coolant) to this position - coolant hose, freeze plug, cooling passage gasket, etc. I would recommend having a cooling system inspection (https://www.yourmechanic.com/services/oil-fluid-leak-inspection) by a mobile, professional mechanic, such as...
One of my front side lights won't turn on.
The front lights will have a dual filament light bulb that will use the same bulb for the running lights and for the turn signal light. If you notice the parking (running ) light does not work in one front...
No acceleration when in drive, but will drive after starting it over
It is not clear from your description if engine speed (RPM) increases normally but the car just won't move or if there is no increase in engine speed. In the case where engine speed increases, what you have is possibly...
How do I know if my alternator fuse is blown on a 2003 Hyundai accent
If a fuse is blown, there will often be a visual indication. If the fuse has a "viewing window", you will see a clear separation of the metal conducting component in the fuse housing. If there is no "viewing window"...

Related articles

Symptoms of a Bad or Failing Engine Mount
Common signs include impact noises, excessive vibrations, and engine movement.
How to Do a Compression Test
A compression test diagnoses many engine problems. If a compression test is below the manufacturer's specifications, there's an internal engine issue.
How to Replace a Camshaft Position Sensor
Camshaft position sensors determine the position of the camshaft in relation to the crankshaft to control the fuel injector.