Skip the auto shop - Our mechanics make house calls

Q: need help figuring out these values from code scanner live data

asked by on

Car wont accelerate these are the code readings.

short term fuel trim bank 1 jumps from 0.0-4.7 LTFT 16-18. Stft bank two 5.5-8.0 LTFT 18-19.5. Ignition timing spark -0.5 to 2.5 maf 0.02lbs. Absolute throttle position idle is 20.0 WOT 32.0 car off throttle position goes to 75 when wot. Oxygen sensor 0.110 to 0.825. Oxygen sensor 2 0.310-815 stft sensor 2 99.2 steady oxygen sensor bank 2 0.070to 0.825 stft 0.8 to 3.1 oxygen sensor 2 bank 2 0.755 fuel pressure 65.5 evap system -0.17 load 43.5 throttle position 8.2 pedal position 19.2 to 29.4 command throttle actuator 12.9 please help my only car and it wont accelerate

My car has 140000 miles.
My car has an automatic transmission.

A: Although I cant fully diagnose this issue w...

Although I cant fully diagnose this issue with the information provided, I can say that both of the O2 sensors that are after the catalytic converters, should be stable under normal conditions. Your engine load at idle seems higher than normal as well. There are a few things that can contribute to your concern. A certified technician, like one from YourMechanic, will be able to determine the exact cause of your acceleration issue.

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・Fair and transparent pricing

Get a quote

What others are asking

Q: Car cranking problem being a bad fuse box?

Fuse boxes can and do go bad every once in a while. While it is rather rare, it is not unheard of. If there has been any sort of damage in the area, these are more likely to fail. The...

Q: Orange wrench light came on when canceling cruise now womt drive only reverse 2005 Ford Five Hundred

Hi there - the "orange wrench" is even more vague than "Check Engine", since it covers suggested service work as well as problems. Check for problem codes for more detailed information on what really failed. From your other symptom description,...

Q: power steering is leaking / I have the pump/ pressure hose / belt

Any rubber component on a vehicle system is typically leak prone after about a 6 year lifetime particularly, for example, if you break the seal that a rubber hose in a power steering system makes to a nipple (on pump...

Related articles

How Do Power Car Windows Increase Passenger Safety?
Power windows are responsible for approximately 2,000 emergency room visits every year. When a power window closes, it exerts enough force to bruise or break bones, crush fingers, or restrict an airway. Though...
How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...