Question about 2003 Acura 3.2CL

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1998 acura 2.5 tl

Check engine light on inspection code 0401 whats wrong and how do i solve it

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  • cbmcreative1 Nov 13, 2008

    I have a 1998 Acura 2.5 tl and I was driving a heavy load. I excellerated pretty fast when I was on the highway. When I stopped the car I smelled fumes from the head that smelled like chocolate. (Maybe that was oil, transmission fluid, etc...) When I started the car again, the check engine sign came on. The car drives completely fine, but I'm concerned with the light and what it may signify.

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P0401 means
EGR port is clogged or has failed.

Posted on Oct 15, 2008

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I have a 1999 Acura TL that had a bad crankshaft position sensor. I have replaced it and now the vehicle is running even worse doesn't anyone have any idea what could actually be wrong?


You might consider a OBII diagnostic tester to find out what is wrong. US government insisted car makers had to make these cars easier to fix (democrats). I think I paid about $25 for mine at a local auto supply, here is one for your acura tl:

http://www.jcwhitney.com/computer-code-readers-and-scanners/acura-tl/c21473d10j1s21.jcwx

Here is the location of your socket:

http://www.justanswer.com/acura/2kw7i-diagnostic-port-1999-acura-tl-behind-ash-tray.html

Cheaper ones flash a dash light to tell you what codes is showing the trouble, then you look up the code and it tells you what is wrong. It worked on my 93 Gmc recently and glad I saved a couple hundred dollars in diagnosing a coolant sensor problem myself.

Jun 03, 2016 | 1999 Acura TL

2 Answers

2002 acura TL-s engine code p1456


Code P1456: EVAP control system leakage (fuel system).
Probable causes:
1. Wire harness. Check for correct voltage, open, short to ground, short to voltage
2. Control unit software in need of updating
3. Faulty PCM or ECM
4. Vacuum leaks. Damaged hoses or improper routing
5. EVAP system. Check canister, valves, or components. (gas cap excluded because you say you replaced it)

Some or all of the above could be the source of the check engine light problem.

Jan 25, 2014 | 1999 Acura TL

1 Answer

96 Acura TL ABS light comes on and off and causes the engine light to click on at a red light. Engine acts like it won't to cut out when the ABS light goes on and off. Whats wrong? FYI, ABS ligh


Any time you get any dash light ,you have the car checked
for codes within a day or two,not a year

You have had some type of failed system component
or issue for a year.

Sep 17, 2012 | 1996 Acura TL Series

1 Answer

My check engine light and TCS light came on in my 1999 Acura 3.2TL. I had the code cleared out and it appears to be running fine. The code came up 1705 Transmission sensor out of range. No one including...


acura 1999 3,2tl .check engine light on ,my computer show code P0141 , 02 HEATER CIRCUIT, [BANK 1, SENSOR 2] please to help find problem .thank you

Mar 16, 2010 | 1999 Acura TL

1 Answer

What does the service code B23 on my 2004 acura tl 3.2 mean?


B is oil and filter change with brake inspection and clean, lube , adjust
1 would be tire rotation
2 is replace engine and cabin air filters
3 is replace transmission fluid

Oct 20, 2009 | 2004 Acura TL

3 Answers

Tcs light, check engine light flashing and constant shaking..


Use an OBDII scanner, some auto parts stores will do this for you free of charge.
Codes P0300 through P0306 indicate mis-fire and you may also get codes reflecting Cat damage from running that way.
I know of one TL from this series (2000 3.2 TL) which had a warranty REPLACEMENT OF TRANSMISSION!!! free of charge and this very problem was solved. I still do not know why they were related. Talk to Acura customer relations about this.

Jul 09, 2009 | 1999 Acura TL

1 Answer

PO420" Catalyst efficiency low Bank 1"


Replace the catalytic converter.

Mar 09, 2009 | 1999 Acura TL

2 Answers

Check Engine light on Acura TL 3.2 1999


You can turn off the Check Engine light by either disconnecting the battery or by using a code reader to clear the codes. However, if the problem still exists it will come right back on. Instead you should get the code read, find out what the problem is, and fix it. Your local autozone or checker auto parts store will read them for free.

Dec 31, 2008 | 1999 Acura TL

1 Answer

How do I turn off my check engine light on my Acura TL 99


To turn off the check engine light you have to 1.) Have a scan tool capable of reading your cars computer that has an option to clear any codes stored, or 2.) find out what is causing the check engine light to come on and make repairs.

Even if you clear the code which will turn off the check engine light, and there is a persistent issue, then the check engine light will come back on.

Your best bet is to take it to an auto parts store like Autozone and have them use their scan tool to retrieve the stored code and tell you what it indicates. If that information is not helpful to you then post up the code here and I will see what I can come up with for you.

Dec 31, 2008 | 1999 Acura TL

1 Answer

Yellow dashboard light means...?


that is your check engine light. you need to take it in and get the codes checked to find out whats wrong. could be as simple as a loose gas cap.

Dec 20, 2008 | 1999 Acura TL

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