Question about 1989 Honda CRX

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ECU Code 4 on 1989 Honda CRX si

I know that the error code is for the Crank Angle Sensor.

I was driving when the check engine light came on.
Just had the oil changed yesturday.
Just drove 200 miles round trip.
Drove the car less than 350 miles in the previous month.
Filled up with premium instead of the usual plus (mid)
Temperatures have been below freezing in the last week.

I haven't had any loss of power at any rpm's.
I haven't had trouble restarting it.
I haven't experienced any bucking or strange acceleration.

Had planned on going on a 2000 mile road trip next week. Need to know if the Distributer should be changed before the trip. Also, what other options do I have/problems will I face?

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No one can tell you what other problems you would have, they would be playing GOD. Anyway the crank angle sensor is built into the distributor and you should change it asap. An option is to get one from a junk/used car yard. If you wanted it re-manufactured Autozone will have it with lifetime warranty.

Posted on Dec 19, 2008

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Switching off intermittently whilst driving over road ramps or halting at both traffic light and stop street.


If you get a code, that will likely tell you what to replace. Crank position sensor is one likely cause. Cam position sensor is another.

These sensors do go bad.

Mar 01, 2016 | Cars & Trucks

1 Answer

I started my truck this morning with my command start, worked fine as always, then shut off after the timer expired. I went to start it with the key and it just kept cranking over and wouldn't fire....


Get the manual and check what the flash codes are??
What vehicle is it? What engine? What year?

Wait a second and keep your eye on the check engine light. You should see it start to light up in a series of flashes.

The light is blinking in a simple code of long and short. Long blinks mean "10" and short blinks mean "1".

The light was blinking once for a long time, and then twice for a short time. 10, 1 and 1 is error code 12. Code 12 indicates a problem with my EGR system. This is the system that sends some of the engine's exhaust into the cylinder to cool the combustion process and keep temps in the cylinders down. Having a broken EGR is relatively common on a high mileage car (I have 180,000 miles on mine) and it's a pretty easy fix. I was worried that I might have to pull over to the side of the road when I saw the light or get it to a mechanic ASAP, but now I know that it's not life threatening to the car and that it's OK if I get it looked at the next time I am at my mechanic.

You can find a list of error codes for the make and model of your car online by doing a simple search. The ones for Honda are included below.

Honda Check Engine Light Error Codes

0 ECU
1 Oxygen Sensor
3 Map Sensor
5 Map Sensor
6 Crank Angle
7 Throttle Angle
8 TDC Position
9 No. 1 Cylinder Position
10 Intake Air Temperature
12 Exhaust Gas Reiculation (EGR) System
13 Atmospheric Pressure
14 Electronic Air Control
15 Ignition Output Signal
16 Fuel Injector
17 Vehicle Speed Sensor
20 Electronic Load Detector
22 Vtec System Malfunction
23 Knock Sensor
41 o2 Sensor
43 Fuel Supply System
45 System Too Rich or Too Lean
48 Primary Heated o2 Sensor
54 Crankshaft Speed Fluctuation Sensor
61 Primary o2 Sensor Circuit
63 Secondary o2 Sensor Circuit
67 Catalyst Sytem
70 Automatic Transaxle
71-74 Random Misfire
80 Exhaust Gas Recirculation
86 Engine Coolant Temperature Circuit
90 Evaporative Emission Control System Leak Detected
91 Fuel Tank Pressure Circuit
92 Evaporative Emission Control System Insufficient

Dec 03, 2017 | Cars & Trucks

1 Answer

I need a honda car code , i can't turn on my radio


service manual.
Code Description Possible Cause
0 ECU / ECU signal No signal to ECU
1 Oxygen sensor circuit Oxygen sensor or circuit, ECU
2 Oxygen sensor circuit Oxygen sensor or circuit, ECU
3 MAP sensor circuit Map sensor circuit
4 CKP sensor / engine speed (RPM) Crank angle sensor or circuit, ECU
sensor
5 MAP sensor circuit MAP sensor or circuit, mechanical
problem
6 ECT sensor circuit ECT sensor or circuit, automatic
transaxle control unit
7 TPS / Angle Sensor TPS sensor or circuit, automatic
transaxle control unit
8 CKP sensor / engine speed (RPM) Crank angle sensor or circuit, ECU
sensor
9 CMP sensor CMP sensor or circuit
10 IAT sensor IAT sensor or circuit
11 Idle Mixture Adjuster Sensor Idle mixture adjuster sensor or
circuit
12 EGR system fault No EGR action, faulty EGR valve
13 BARO sensor circuit BARO sensor or circuit
14 Idle Air Control valve circuit / ECU Open or shorted out ignition signal
circuit / No signal to ECU
15 Ignition Output signal Open or shorted ignition output
signal circuit
16 Fuel Injector Circuit Open or shorted fuel injector
circuit
17 VSS circuit VSS sensor or circuit
18 Ignition Timing Adjuster Open or shorted signal circuit
19 A/T Lock-up control solenoid Open or shorted signal circuit,
Lock-up control solenoid lock-up solenoid
20 Electrical Load Detector / Sensor Electrical load detector or circuit
Honda/Acura
Fault Code Definitions (21 - 59)
Chapter 3 22
Code Description Possible Cause
21 Spool Solenoid Valve Open or shorted signal circuit,
spool solenoid valve
22 Valve Timing Electronic Oil Open or shorted signal circuit,
pressure switch valve timing oil pressure switch
23 Knock sensor circuit Knock sensor or circuit
30 AT / ECU communication signal A AT control unit, ECU
31 AT / ECU communication signal B AT control unit, ECU
35 Traction control / ECU / signal Traction control module, ECU
36 Traction control / ECU / signal Traction control module, ECU
41 Oxygen sensor heater - left side Oxygen sensor / heater or circuit
42 Oxygen sensor heater - right side Oxygen sensor / heater or circuit
43 Fuel Supply system - left side Oxygen sensor or circuit, fuel
system
44 Fuel Supply system - right side Oxygen sensor or circuit, fuel
system
45 Fuel metering - left side Injector control circuit, incorrect
fuel metering
46 Fuel metering - right side Injector control circuit, incorrect
fuel metering
48 Heated oxygen sensor Oxygen sensor or circuit
53 Right Knock Sensor Right knock sensor or circuit
54 CKP sensor 2 CKP sensor 2 or circuit
59 CMP sensor 2 CMP sensor 2 or circuit

Dec 28, 2010 | 1994 Honda Accord

2 Answers

B16A SWAP NO VTEC,CHECK ENGINE LIGHT, IDLES @ 1900 RPM


Wiring faulty, sensor not connected or mismatch, the ECU will not operate normally until it get all required input from the various sensor.

May 24, 2009 | 1989 Honda CRX

1 Answer

Timing or ecu throwing a code


easiest way to check for a broken timing belt is to look into the oil fill hole on valve cover and have someone crank engine. see if you can see the cam move. if not moving, timing belt is broken. if it is moving it is not broken but still may be off a tooth or more. at that point you will need to remove timing covers and check timing marks. these cars are very simple and you can learn alot by spending 20 bucks on a basic haynes type repair manual.

May 03, 2009 | 1989 Honda CRX

1 Answer

What is an error code 8


TDC (Top Dead Center) position/crank angle sensor or circuit Problem. That's what Honda calls it. Part stores will call it a CRANK POSITION SENSOR. P.S. The Sensor itself is probably going bad.

Mar 06, 2009 | 1989 Honda CRX

1 Answer

91 CRX SI no Fuel or Fire


check the cam and crank sensors..they go bad they wont let the car start

Feb 16, 2009 | 1991 Honda CRX

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