Q: Car loses power around 30mph

asked by on

Car goes to 30mph then struggles to get to 40. Rpm goes high up when giving it gas and engine revs but doesn't give out any power.

My car has 180000 miles.
My car has an automatic transmission.

Hello there, thanks for writing in. Many different faults can cause your 2002 Chevrolet Blazer to lose power. The most common would be spark plugs, wires, fuel pump, fuel filter, alternator, shift solenoid, low transmission fluid, or the battery. A qualified technician such as one from YourMechanic will be able to diagnose your loss of power and make any repairs required. Hope this helps and best of luck!

Was this answer helpful?
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Car loses power around 30mph

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

Get a quote

What others are asking

Q: My car won't start sometimes, and sometimes it starts after a few tries. The yellow check engine light is also on, please help

Hi Shukri. Thanks for contacting us today. This problem could be due to a fuel delivery issue, caused by either a worn out fuel pump, dirty fuel filter, clogged fuel injectors, throttle body problems or even the mass air flow...

Q: Car has power reduction and grinding noise

Hello. From the symptoms you are describing it would appear that the vehicle may be experiencing some sort of mechanical issue with the engine or transmission. The issues may or may not be related, however that should not be an...

Q: How do I know if the fuel pump is bad?

Hi, thanks for writing in. You will need to check the fuel pressure on the fuel pressure port on the engine fuel rail. The pump should be producing at least 56 to 62 psi for SFI engine. If pressure is...

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...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...