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Engine check lite on code aa1,aa2,aa3

The engine check lite on, check code for problem and codes aa1,aa2,aa3 all possibilities?

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Posted on Jan 02, 2017

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  • 156 Answers

SOURCE: Can you tell me what

I also work for autozone, 5+ years, and these are not trouble codes. I would find another Autozone and have them re-read it. Trouble codes would look like this: P0300, or P1756. The codes you have are not correct. Also, they should take you inside, look up the code, and explain what they mean. Also. ask them to print them out.

Posted on Dec 29, 2010

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  • 237 Answers

SOURCE: 2005 Nissan Altima service engine

one thing you can bet the house on ....if a nissan sets a cat converter code...it needs a cat converter...trust me on this.in the last 10 yrs. as nissan master tech i have seen no other cause!

Posted on Mar 18, 2011

airjer995
  • 5332 Answers

SOURCE: I have a honda accord and I went to Auto Zone and

More than likely the catalytic converter has failed. the computer looks at the downstream O2 sensor to determine if the cat is working. If it sees the downstream O2 starting to switch back and forth like the upstream O2 or read consistently higher than it should than it will flag the P0420 code.

Posted on Aug 31, 2011

  • 18 Answers

SOURCE: How do I fix P0442?

check the egr, common reason for this code, that is not listed in the solus

Posted on Mar 01, 2012

emissionwiz
  • 76164 Answers

SOURCE: p0446 code 1998 gmc jimmy how do I fix this? where is it located?

A fault code is not located anywhere except in memory of the computer. A fault code indicates a problem exists int a system, a system contains many parts.

Posted on May 30, 2012

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1 Answer

Air solenoid


If you drive it the fuel milagwe will drop.

Mar 22, 2014 | Mazda RX-8 Cars & Trucks

1 Answer

I have a 2003 Cadillac Escalade, and I recently had a print out done on my vehicle. I'm not understanding these codes: aa1 poor connection at the TAC module, aa2 failed TAC module, aa3 check TPP or TP


I always ask---If you went to the trouble to have
it scanned & get a nice print out & I would assume
asked all these questions at the shop,then why
did you not leave it,to be further component tested
& issue resolved?

TAC -throttle actuator control

The drive by wire motor that opens the throttle
body plate

TPS Sensor--throttle position sensor on the same

Try spraying some CRC Throttle Body Cleaner in
there around the throttle plate

After that you need to have to tps sensor tested
I wouldn't be in a hurry to change a throttle body,
they cost hundreds & the codes don't tell you it's bad

The only time you replace a throttle body is if you can not
get the motor by it's self

Oct 02, 2012 | Cars & Trucks

2 Answers

P0446 code 1998 gmc jimmy how do I fix this? where is it located?


Hi there:

A code P0446 could mean one or more of the following has happened:
- Faulty vent valve
- Open, short or excessive resistance on Vent valve control circuit
- Blockage of vent valve
- Bad PCM




With a P0446 OBD-II trouble code, here are some things to try:
- Replace Vent valve
- Repair open, short, or resistance problem in control circuit
- Repair open, or short, or resistance problem in power circuit

- Replace PCM




Hope this helps.

May 30, 2012 | 1998 GMC Jimmy

1 Answer

Error code 0700 aa1 aa2


Hi there:
The DTC P0700 is a Information Code The Transaxle Control Module (TCM) that monitors the malfunction of sensors and actuators relating to transaxle control. If any malfunction is detected, the TCM informs the PCM by sending a signal (P0700 code). P0700 means that a code has been set in the TCM.
This code is for information ONLY. If this code is present, check for transaxle codes. So basically, the P0700 code is telling you to check the TCM for a transaxle DTC. The TCM can not turn on the check engine light so it has the PCM do it, which can only be done with a diagnostic scanner. The self retreival method for chryslers with the ignition key will not pull up the specific transmission fault codes in the TCM.


Hope this helps.

Mar 30, 2012 | 2001 Chrysler Town & Country

1 Answer

How do I fix P0442?


check the egr, common reason for this code, that is not listed in the solus

Mar 01, 2012 | 2005 Kia Sorento

1 Answer

I have a honda accord and I went to Auto Zone and they did a diagnostic check results were P0420 and the following; aa1-A/F ratio concern aa2- air leak near HO2S Heated oxygen sensor aa3- ignition...


More than likely the catalytic converter has failed. the computer looks at the downstream O2 sensor to determine if the cat is working. If it sees the downstream O2 starting to switch back and forth like the upstream O2 or read consistently higher than it should than it will flag the P0420 code.

Aug 31, 2011 | 1999 Honda Accord

1 Answer

2005 Nissan Altima service engine light came on, Had a reading = P0420, #1 aa1 Large vacumm leak, #2 aa2 Fuel system fault, #3 aa3 Ignition system fault and #4 aa4 Failed Bank 1 catalytic converter. Any...


one thing you can bet the house on ....if a nissan sets a cat converter code...it needs a cat converter...trust me on this.in the last 10 yrs. as nissan master tech i have seen no other cause!

Mar 18, 2011 | 2005 Nissan Altima

1 Answer

Can you tell me what the below codes mean. I just when to Auto Zone and had a diagnostic scanning done. AA- bank 1 AA1 aa2 aa3 aa4 Thank you.


I also work for autozone, 5+ years, and these are not trouble codes. I would find another Autozone and have them re-read it. Trouble codes would look like this: P0300, or P1756. The codes you have are not correct. Also, they should take you inside, look up the code, and explain what they mean. Also. ask them to print them out.

Dec 29, 2010 | 2003 Toyota Corolla

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