Q: No power when talking a hill pedal to the floor high rpms

asked by on

I was told when I bought it that it was a misfiring cylinder. I've changed the spark plugs, coils, replaced plug wires it seemed to run better at firsthand, than Right back to having no power. Would o2 censors cause this or bad sensor elsewhere?

My car has 192000 miles.
My car has an automatic transmission.

Hi there:

The O2 sensors are a critical part of the emissions control, air/fuel mixture program that will impact the efficient operation of any modern, fuel injected vehicle. If the O2 sensors are faulty, it can cause the symptoms you’re experiencing. However, it will often be associated with a check engine light that comes on. If you’re not seeing any warning lights, the issue might be due to clogged or dirty fuel injectors or the throttle body itself. I’d begin by cleaning the throttle body first and seeing if that clears things up.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1,000 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!
  1. Home
  2. Questions
  3. No power when talking a hill pedal to the floor high rpms

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: Engine and low trac lights come on

Hello. There are several things that could cause the Check Engine Light to come on after getting the spark plugs replaced by the dealership. If the Check Engine Light never turned off after the original repair was completed,...

Q: I took my transmission out to change out 3 freeze plugs on the motor. Tt's a 88 chevy s10 witg 2.8. I put everything back and now the clutch don't work.

Hi there. Check the slave cylinder on the clutch system and see if it's leaking. If there is no leak, then operate the clutch pedal and have someone watch the slave cylinder. If the clutch fork is moving all the...

Q: Hesitation over 45 mph

Improper air metering or fueling can hinder engine performance. A clogged fuel filter can offer enough fuel for an engine to start, but lack in enough volume for higher loads. Have an experienced technician look over the vehicle fueling and...

Related articles

P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
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...
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.