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Acura legend problems

Trouble codes 18 and 23 can a bad knock sensor which is trouble code 23 causes troble code 18 to come up

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  • Cars & Trucks Master
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My book does not show a code 18 problem but it refers to knock sensor fault front as high voltage . Replace the knock sensor
knock sensor are used to tell the CPU to alter the fuel air ratio and the ignition timing to suit rpm's and load . If it is out then the code 18 may be the result .

Posted on Jan 03, 2014

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Posted on Jan 02, 2017

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SOURCE: knock sensor code, p0330

The knock sensors either work or they don't. When they do not, the light comes on. All that a knock senor is is a piezo crystal that vibrates at the frequency that is comparable to engine "knock", and sends that yes/no signal to the ECU. There are 2 knock sensors, and both are bolted to each side of the engine interior walls, under each cylinder head. You have to remove both of the intake manifolds to access the knock sensors and their wiring.
Price to pay? My flat rate book suggests 3.7 hrs to change both. 3.7 hrs times your local labour rate, plus the price of the 2 sensors and/or wiring, and the price for the gaskets for the upper & lower manifolds. Depending on your location, you could quickly spend over $500.00.

Posted on Oct 07, 2008

sheiden9
  • 87 Answers

SOURCE: check engine light

yes and itys a very common problem yu need to change the speed sensor (VSS) on the trans heres how it comes apart 4359d1c.gif

Posted on Apr 04, 2009

  • 1 Answer

SOURCE: 1994 ACURA LEGEND RADIO CODE

i have a 1994 acura ledgend but i dont have the owners manuel that holds the code. how can i bypass or get it to work

Posted on Jul 31, 2009

  • 67 Answers

SOURCE: trouble code p0102 mass air flow sensor, could

It could be a dirty air filter a, spark plug, spark plug wires.
a leak in the air intake system or the mass air flow sensor

Posted on Mar 12, 2010

  • 1374 Answers

SOURCE: 2005 Toyota Camry - knock sensor

Your sensor went off because it overknocked.
Try using a different type of fuel with a higher octane.
Erase the code and use the better gas. if it comes back then we will worry about replacing it.

Posted on Apr 14, 2010

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Where is the obd diagnostic port on a 94 vigor.


Acura engine codes - Howstuffinmycarworks.com

www.howstuffinmycarworks.com/Acura_engine_trouble_codes.htmlOn OBD-II models, the check engine light is referred to as malfunction indicator light (MIL). ... On Legend coupes, 1991 and later Legend sedans, 1990 through 1994 Integras and all Vigor models, ... 23- Front knock sensor ( some NSX, Vigor)

Sep 01, 2015 | Cars & Trucks

1 Answer

Car was running then it stopped starting it turns over fine but theres no sign of a spark


according to this

http://www.acuralegendwiki.org/index.php/G2:_FAQ:_Error_Codes_And_Definitions

41 Left Heated Oxygen Sensor Heater 42 Right Heated Oxygen Sensor Heater
and

15 Ignition Output Signal

So you have a couple problems. The car won't start because more than likely the ignition switch has gone bad and needs replacing.

The O2 sensors will cause your CEL to be on and these will need to be replaced as well.

Feb 07, 2013 | 1993 Acura Legend

1 Answer

2000 silverado knock sensor issue


I think it not real probable that the cause of your knock sensor code is the result of bad gas. However, I suppose it IS possible. Most knock sensor codes are caused by engine mechanical problems like bad pully bearings, loose timing chains, broken valve springs, collapsed valve lifters, etc. that would cause a "knocking" or "tapping" in the engine.

The next most probable cause would be damaged knock sensor wiring. I have fixed many that have had damage from rodents getting into the engine compartment and chewing on the wires. Depending on which engine your Silverado is equipped with, the knock sensor could be mounted between the cylinder heads in the valley under the intake manifold. Mice like it under there.

Then again, it all depends on WHAT KIND of knock sensor code you are getting. For 2000 Silverado there are 3 possible knock sensor codes: P0325, P0327, P0332. The diagnostics (and possible causes) change depending on which code you have.

Jan 06, 2012 | 2000 Chevrolet Silverado 1500

1 Answer

I went to get my 1989 acura legend to get smog i failed because of to much fuel while idling whta can couse that and how can i fix it the cheapest way possible?


If the engine is burning too much fuel at idle(rich mixture at idle), the ECM should show a trouble code. If possible, have someone scan your engine computer for codes. The codes should indicate what is causing the rich idle condition, such as a bad O2 Sensor, or multiple cylinder misfires. If you can't scan the engine, or the scan does not produce any codes, the only thing I could suggest that would help the condition is a fresh air filter and new spark plugs.

Mar 14, 2011 | Acura Legend Cars & Trucks

2 Answers

94 legend idles really ruff and is missing badly


try a tune up plugs wires cap rotor fuel filter

Dec 07, 2010 | 1994 Acura Legend

1 Answer

Is there an ALDL port on a legend ...to plug in a scan tool


There is a connector but it is not like the connector used in the newer 1996 OBD2 cars, your year uses OBD1, here is how you check for codes in this car.

Acura OBD1 Codes Retrieval
Acura vehicles 1986-95 obd1 code retrieval
There are a few different ways to retrieve the codes for "check engine light" for Acura vehicles. One method is to use a led light (sometimes 2 led lights) on the computer or controller box itself. If it has 2 led lights, the color is red and amber. The red is used for flashing the codes whereas the amber is used for adjustment. If you have only a single led light indicator, then that is used for flashing the code.
The controller box can be found by lifting the carpet of the passenger side front foot well or floorboard. You can see the led lights without removing the controller. On other models, you can find the controller under the driver or passenger front seat.
The second way to get the code is using a jumper wire on the diagnostic connector located on the kick panel at the front passenger side. You then watch the codes being flashed at the dash panel after you turn the key on. To read the code being flashed is easy. Example: Code 23 is 2 long flashes followed by 3 short flashes. A longer pause separates the next code that follows.
Here are Acura vehicles 1986-95 general codes:
Code 0 Electronic control unit (ecu)
Code 1 02 (oxygen) sensor
Code 3 and 5 map sensor
Code 4 Crank angle sensor
Code 6 Coolant temperature sensor
Code 7 Throttle angle sensor
Code 8 Crank angle sensor (TDC)
Code 9 Crank angle sensor (CLY)
Code 10 Intake air temperature sensor
Code 12 EGR system fault
Code 13 Atmospheric pressure sensor
Code 14 Electronic air control valve
Code 15 Ignition output signal
Code 16 Fuel injector fault
Code 17 Vehicle speed sensor
Code 21 Spool solenoid valve
Code 22 Valve timing oil pressure switch fault
Code 23 Knock sensor
Code 41 Oxygen sensor heater fault
Code 43 Fuel supply system

Nov 30, 2010 | 1990 Acura Legend

1 Answer

92 Acura Legend with 232000 miles has an odometer that works for a whilethen stops working for a while. All other gauges work fine. What could be causing the this problem.


The connector in the back of the gauge could have a bent pin or bad connection to operate the odometer, or the odometer signal is bad from the VSS (Vehicle Speed Sensor).

Jul 02, 2010 | 1992 Acura Legend

1 Answer

Acura legend radio code


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If you can provide the necessary information then your ACURA code is available here for free

https://radio-navicode.acura.com/?src=inq

If not then the code will only be available from your local Honda Dealer or a Decoding Service ...who will plug in a laptop to read/recode your memory chip (EEPROM)

Apr 04, 2010 | 1992 Acura Legend

1 Answer

P0240 trouble code


Acura code P0240 - Turbo / super charger boost sensor (B) circuit range performances.

It's is best to take it to a certified repair shop, where they can get actual reading's from your Turbo sensor's.
You don't want to drive it that way it will damage your Turbo and there very $$$..

Jan 26, 2010 | Acura CL Cars & Trucks

1 Answer

Slow going from idle position


first scan the PCM for trouble codes using a hand held scanner, Then repair codes by replacing failed sensor as needed. If no codes are present then try replacing the idle air control motor.

Aug 24, 2008 | 1991 Acura Legend

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