Question about 2000 Honda CR-V

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Check Engine light is flashing Only once on start

It has been on for sometime. The oxygen sensor is one of the concerns. The recent one is it flashed once on start up. Need to have code read.

Also makes grinding noise on start...then on accelleration from 35-40mph and then 65-70mph.

200k timing belt is to be replaced within the week.l

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  • romney73 Apr 06, 2009

    Engine light flashing since Friday. Honda mechanic told me it MIGHT be a problem with too much air getting into the fuel system. He wanted 80 euro to hoist it up & check it out, but then said even this might not diagnose the actual problem. I'm selling the car at the moment, so debating whether I should splash out lotsa cash & not get a diagnosis.

  • Anonymous Apr 06, 2009

    Well you wont believe it I was dealing with the same pooblem just today ... and the f..king mechanic told me it was water in the TOOLBOX ... What a genius !!!!

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  • 328 Answers

All vehicles do a test of certain warning lights when you start your vehicle. If the light is not staying illuminated you likely don't have an issue.
If you are concerned a trip to your local Autozone store will be the ticket. They will test your vehicle for codes for free! And if any codes are present you can act accordingly to remedy the problem.
As for the grinding noise a possibility could be a bad universal joint or CV shaft and another possibility could be an issue with something in the braking system dragging and causing the noise or maybe a wheel bearing. This type of noise and the times they occur as you describe could be from a long list of things. Your best bet in this case would be to have the vehicle inspected by a mechanic. Because without being able to see and hear your issue it's very difficult to give an accurate solution. I wish i could be more helpful with that issue but as i said it's difficult when sitting behind a computer screen and not there in person.
hope this helps! thanks for choosing FIX YA!

Posted on Jan 17, 2009

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1 Answer

Engine light blinks once and stays on


Typically, a flashing light is more serious than a solid check-engine light. The flashing light is meant to alert you that you may have a misfire in your engine that will cause catalytic converter damage if you leave the problem unresolved. Replacing a catalytic converter can be costly, so have the engine checked as soon as possible by a certified mechanic.
A flashing check-engine light generally indicates that there is a failure in the emission control system. The emission control system contains an array of sensors that work to reduce the amount of pollution released into the air. An oxygen sensor reads the air and fuel mixture and lights up when it is out of range. The acceptable range is between 50 millivolts and 800 mV. If the check-engine light is flashing, you should visit your mechanic or dealer as soon as possible.

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1996 camry check engine light flashing,running very rough poor acceleration


Goto autozone/advance/pep boys and have them do a free OBD check with a scan tool. Most likely the O2 (oxygen) sensor(s).

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I have 2000 Avalon xls. i faced several problems with the check engine light. It came on and my engine started shacking hardly for several seconds and sometimes minutes. i did a check and the computer came...


When the Check Light Flashes vs: being on steady,
you stop using the vehicle, as that indicates a misfire
bad enough to damage the Exhaust Converter

So obviously, you should have gone to a repair shop
a long time ago & resolved whatever issues are there

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92 dodge dynasty got flash codes 12,21,55 what are they


Code 12 is a "battery disconnect" code. It simply means that the computer has lost battery power within the last 255 engine starts. If you have recently disconnected the battery or have had to jump-start your car, this is the reason for the code and there is nothing to fix. It will clear all by itself in the next 255 engine starts or less.

Code 21 is an oxygen sensor code. It can mean that the oxygen sensor is rich, lean, or simply not switching properly. If the oxygen sensor is very old, it is probably the oxygen sensor itself causing the code. However, it could also be due to the engine actually running lean (not enough fuel) or rich (too much fuel) for a large number of possible reasons.

Code 55 simply means that the computer is working properly and has finished outputing all of the stored fault codes. The only time to worry about a code 55 is when you do not get one. If the computer does not give you a flash code 55, this is an indication that the PCM is faulty. On an engine that is running properly and has no problems, code 55 will be the only code displayed - just to let you know everything is working and you did the key "ON-OFF-ON-OFF-ON" thing correctly.

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Honda 93 will start on for seconds but wont stay started.had to use a jump wire


Hello! Tell me where you placed the jumper wire?...Also is the Check Engine light on?...If it is (See photo below) push a paper clip into the 2 female pins of the OBD 1 connector...Turn on the key and count the Check Engine Light flashes...Example; 5 long flashes followed by 2 short flashes= Code 52...code list below...Guru...saailer

Code 0 and 11 Electronic Control Module (ECM)
Code1 Heated oxygen sensor A
Code 2 Oxygen content B
Code 3 and 5 Manifold Absolute Pressure
Code 4 Crank position sensor
Code 6 Engine coolant temperature
Code 7 Throttle position sensor
Code 8 Top dead center sensor
Code 9 No.1 cylinder position sensor
Code 10 Intake air temperature sensor
Code 12 Exhaust recirculation system
Code 13 Barometric pressure sensor
Code 14 Idle air control valve or bad ECM
Code 15 Ignition output signal
Code 16 Fuel Injector
Code 17 Vehicle speed sensor
Code 19 A/T lock-up control solenoid
Code 20 Electric load detector
Code 21 V-TEC control solenoid
Code 22 V-TEC pressure solenoid
Code 23 Knock sensor
Code 30 A/T FI signal A
Code 30 A/T FI signal B
Code 41 Heated oxygen sensor heater
Code 43 Fuel supply system
Code 45 Fuel supply metering
Code 48 Heated oxygen sensor
Code 61 Front heated oxygen sensor
Code 63 Rear heated oxygen sensor
Code 65 Rear heated oxygen sensor heater
Code 67 Catalytic converter system
Code 70 Automatic transaxle
Code 71 Misfire detected cylinder 1
Code 72 Misfire detected cylinder 2
Code 73 Misfire detected cylinder 3
Code 74 Misfire detected cylinder 4
Code 75 Misfire detected cylinder 5
Code 76 Misfire detected cylinder 6
Code 80 Exhaust recirculation system
Code 86 Coolant temperature
Code 92 Evaporative emission control system


2_19_2012_12_11_48_pm.jpg

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I just finished replacing the head gasket on my car. Everything was put back together. New oxygen sensors, oil, spark plugs. Everything is in the right spot cause when i check the code nothing reads on it....


Hello it is not easy to use a computer with a 4 year old constantly trying to get your attention.Anyhow i said disconnect your battery wait 5 minutes to reboot the computer i have gone through your situation a dozen times if it doesn't start it should trip your check engine light and you will be able to scan and retrieve keep me posted.John

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Malfuntion indicator lamp in my toyota yaris


Most Auto Part stores like napa or kragen will read the malfunction code for you for free. Once you get that done post the code so we can give you a better understanding on your concern. Oh if your light is flashing please don't drive it that means you are doing immediate damage.

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1 Answer

How do i get the trouble codes off a 1989 mazda mpv?


http://img178.imageshack.us/img178/3331/obdikx3.jpg

The above link is to a diagram of your ALDL connector, all you need is a paper clip, straighten out the paper clip and insert one end into the diagnostic test pin and one in the system ground pin (terminals A & B).

Then put the key in the ignition and turn it to the on position but DO NOT start the engine. You will then see the check engine light flash. It will initially start by flashing once, then a pause and then flash twice and it will repeat this three times. That flash sequence indicates 12, which just means the system is operating. Its the flash sequences after that that will give you the code if any are stored.

For instance if it flashes twice, then pauses, then flashes four times, thats code 24. So any flash sequence you get after the initial 12 (flash once, pause, flash twice) you need write those down. Below is a list of diagnostic codes to tell you what the codes mean.

Code 12
1 flash, pause, 2 flashes
Diagnostic: This Code will flash whenever the diagnostic terminal is grounded with the ignition switch turned on and the engine is not running.

Code 13
1 flash, pause 3 flashes
Oxygen sensor voltage stays between 0.35 and 0.55 volts for 30 seconds when the TPS signal was above 0.55 volts. The engine had been running for at least 40 seconds with an engine temperature above 110° F.

Code 14
1 flash, pause, 4 flashes
Coolant temperature sensor signal indicates a temperature of over 284° F for 4 seconds after the engine had been running for at least 10 secondsCoolant Sensor Circuit (high temperature) If the engine is experiencing overheating problems, have those fixed before continuing. Check all wiring and connectors associated with the coolant temperature sensor. Replace the Coolant temperature sensor.

Code 15
1 flash, pause, 5 flashes
Coolant Sensor Circuit (low temperature) Coolant temperature sensor signal indicates a temperature colder than -36° F for at least 4 seconds after the engine had been running for 2 seconds. See above, then check wiring connections at the ECM

Code 16
1 flash, pause, 6 flashes
Charging system voltage was either below 9 volts or above 17 volts for 10 seconds. System High Voltage If the voltage is above 17.1 volts for more than 2 seconds, the Service Engine Soon light will illuminate. Have the charging system checked.

Code 17
1 flash, pause, 7 flashes
PCM did not detect any spark reference pulses within 240 fuel control reference pulses (80 crank revolutions) while engine was running below 1200 RPM. Spark Reference Circuit.

Code 21
2 flashes, pause, 1 flash
Throttle Position Sensor, TPS voltage was above 0.8 volts for 5 seconds when engine was running and air flow was less than 15 gm/sec, or the TPS voltage was over 4.8 volts at any time.

Code 22
2 flashes, pause, 2 flashes
Throttle Position Sensor check TPS adjustment. Replace the TPS sensor. TPS voltage was under 0.2 volts for 4 seconds when the ignition was on. Check for a sticking, or mis-adjusted throttle position sensor.

Code 23
2 flashes, pause, 3 flashes
Inlet air temperature sensor signal showed an air temperature of -29° F for 4 seconds. Manifold Air Temperature. Check the MAT sensor, wiring, and connectors for a possible open circuit. replace the MAT sensor.

Code 24
2 flashes, pause, 4 flashes
Vehicle speed sensor signal showed less than 3 MPH for 2 seconds when engine speed was greater than 3000 RPM and transmission has not been in park or neutral for more than 4 seconds. Or vehicle speed goes from above 18 MPH to 0 in less than 2 seconds without applying brake. This code can only appear when the vehicle is in motion, if it appears when the car is not in motion, ignore it. Check ECM connections, any other problems should be diagnosed by a qualified mechanic.

Code 25
2 flashes, pause, 5 flashes
Inlet air temperature sensor signal showed an air temperature of over 218° F for 5 seconds when vehicle speed was greater than 35 MPH. Check the voltage between the MAT sensor and the ECM. voltage should be above 4 volts.

Code 26
2 flashes, pause, 6 flashes
Quad-Driver sense voltage shows a low voltage when battery voltage should be present, or if the sense voltage shows battery voltage when a low voltage should be present for at least 5 seconds when the engine was running. Have the car checked by a dealer.

Code 27
2 flashes, pause, 7 flashes
2nd gear switch was closed or grounded for 10 seconds when vehicle was in 4th gear, or 2nd or 4th gear switch was open when engine was first started. Gear switch Diagnosis Have the car checked by a dealer.

Code 28
2 flashes, pause, 8 flashes
3rd gear switch was closed or grounded for 10 seconds when vehicle was in 4th gear, or 3rd or 4th gear switch was open when engine was first started.

Code 29
2 flashes, pause, 9 flashes
4th gear switch was closed or grounded for 10 seconds when vehicle was in 4th gear, or 4th gear switch was open when engine was first started.

Code 31
3 flashes, pause, 1 flash
PRNDL indicates a gear other than park or neutral for 13 seconds for 3 consecutive startups when ignition was on, engine was off and vehicle speed was 0. Or the PRNDL status indicators (A, B, C, P) showed an incorrect combination of Lo and Hi for more than 10 seconds.
Check all connectors, and for a faulty switch.

Code 32
3 flashes, pause 2 flashes
EGR System Check vacuum hoses and connections for leaks and restrictions. Replace the EGR solenoid or valve.

Code 33
3 flashes, pause, 3 flashes
MAF Sensor Have the mass air flow sensor replaced.

Code 34
3 flashes, pause, 4 flashes
There was no MAF signal for over 4 seconds while engine was running. Check for loose or damaged air duct, misadjusted minimum idle speed and cacuum leaks. Inspect the MAF sensor and the electrical connections.

Code 38
3 flashes, pause, 8 flashes
The Torque Converter Clutch portion of the brake switch was open and caused the TCC to be inoperative, adjust OR replace switch.

Code 39
3 flashes, pause, 9 flashes
Torque Converter Clutch Check ECM connections, check for faulty Torque Conver Clutch solenoid.

Code 41
3 flashes, pause, 1 flash
Cam sensor signal was not received by PCM for the last 5 seconds while engine was running. Check for faulty connections, or a faulty cam sensor. Maybe also indicate a problem with the vehicle's timing chain.

Code 42
4 flashes, pause, 2 flashes
The Electronic Spark Timing (EST) signal did not change when the ECM applied bypass voltage to the ignition module. Check for faulty connections, or a faulty ignition module.

Code 43
4 flashes, pause, 3 flashes
Knock sensor signal was either above 3.5 volts or below 1.5 volts for at least 20 seconds. Check for a faulty knock sensor, or Mem-Cal.

Code 44
4 flashes, pause, 4 flashes
Oxygen sensor voltage was under 0.25 volts for up to 4 1/2 minutes of closed loop operation, lean exhaust. Check the ECM wiring connections. Check for vacuum leaks at the hoses and intake manifold gasket.

Code 45
4 flashes, pause, 5 flashes
Oxygen sensor voltage was over 0.75 volts for 2 minutes in closed loop operation with a throttle angle between 0.6 and 1.9 volts. Rich exhaust. Check the evaporative charcoal canister and its components for the presence of fuel.

Code 46
4 flashes, pause, 6 flashes
Power Steering pressure switch Check for faulty connections, or a faulty switch.

Code 48
4 flashes, pause 8 flashes
Misfire Diagnosis. Check the ignition and fuel systems.

Code 51
5 flashes, pause, 1 flash
Prom or Mem-Cal Make sure the MEM-Cal or prom is properly installed in the ECM. Replace Mem-Cal or prom.

Code 52
5 flashes, pause, 2 flashes
Cal-Pak Check the Cal-Pak to insure properation. replace the Cal-Pak.


Code 54
5 flashes, pause, 4 flashes
EGR #2 solenoid was out of range for 6 of 8 tests. 55 EGR #3 solenoid was out of range for 3 of 5 tests.

Code 55
5 flashes, pause, 5 flashes
ECM Check for faulty connections. Replace the ECM.

Code 56
5 flashes, pause, 6 flashes
Quad-driver voltage was incorrect for 5 seconds on the circuit connected to QDM "B".

Code 57
5 flashes, pause, 7 flashes
Boost control solenoid did not open bypass valve causing engine torque to be too high.

Code 63
6 flashes, pause, 3 flashes
EGR flow was incorrect. EGR solenoid did not work properly. Have vehicle serviced by a dealer.

Code 64
6 flashes, pause, 4 flashes
Same as Code 63 EGR flow was incorrect. EGR solenoid did not work properly.

Code 65
6 flashes, pause, 5 flashes
Same as Code 63.

Dec 31, 2008 | 1989 Mazda MPV

1 Answer

93 Accord Oxygen Sensor Confusion


Did you reset the ECU after changing the sensor? If not you need to (procedure in 2nd pic below), that way the fuel trims are reset and the ECU can re-learn the Short term and Long term fuel trims. this could be the cause of the difference in MPGs.

An O2 sensor will have no effect on RPMs/MPH. the only thing i can think of that would effect this besides changing gear ratios, would be changing the overall diameter of your tires or possibly a slipping clutch.

Check the codes on the ECU. here is the procedure:

(CLICK PICTURES FOR FULL SIZE)
65a6b8a.jpg d43f356.jpg bc7c144.jpg


Nov 15, 2008 | 1993 Honda Accord

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