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Old 01 Jul 2008, 07:46 pm
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Default How do I get an engine code for my 1991 Honda Civic 1.5 liter?

My engine light keeps coming on.My check engine light keeps coming on,How do you get the light to flash?
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Old 01 Jul 2008, 08:01 pm
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look at hondatech.com or clubcivic.com. tons a data on cel lights, causes and solutions to fix the problem
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Old 01 Jul 2008, 08:16 pm
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OLD HONDA engine code http://forums.hondatuningmagazine.co...x.html======EF Ecu Trouble CodesReading EF ecu Trouble codesReading them's pretty simple. When there is a long flash this indicates tens and a short flash indicates ones.Look under the Passenger seat (under the passenger kick panel for flashing LED - engine code.For example: Flaaaaaash Flaaaaaash Flash = code 21 Flaaaaaash Flash = code 11 Flash Flash = code 21) Primary oxygen sensor- Defective circuit or unplugged/ Defective sensor2) Oxygen sensor "B" - Defective circiut or unplugged/ Defective sensor3) MAP (Manifold Absolute Pressure) Sensor - Defective circuit or unplugged/ Sensor4) CKP (Crankshaft Position Sensor) - Defective circuit or unplugged/ Defective sensor5) MAP (Manifold Absolute Pressure) sensor -Mechanical problem/ Disconnected piping6) ECT ( Engine Coolant Temperature) Sensor- Defective circuit or unplugged/ Sensor7) TP (Throttle Position) Sensor -Defective circuit or unplugged/ Defective sensorTDC (Top Dead Centre) Sensor -Defective circuit or unplugged/ Defective sensor9) CYP (Cylinder) - Defective circuit or unplugged/ Defective sensor10) IAT (Intake Air Temperature)sensor- Defective circuit or unplugged/Defective sensor12) EGR (Exhaust Gas Recirculation) -Defective circuit or unplugged/ Defective sensor13) Atmospheric Pressure Sensor - Defective circuit or unplugged/ Defective sensor14) IAC (Intake Air Control) Valve- Defective circuit or unplugged / Defective sensor15) Ignition Output Signal - Missing or defective ignition output signal16) Fuel Injector System - Defective circuit or unplugged/ Defective fuel injector17) VSS (Vehicle Speed Sensor) - Defective circuit or unplugged/ Defective sensor19) Automatic transmission lockup control Solenoid Valve- Defective circuit or unplugged/ Defective solenoid. A/T Only.20) Electronic Load Detector - Defective circuit or unplugged/ Defective sensor21) VTEC Solenoid Valve- Defective circuit or unplugged/ Defective solenoid22) VTEC Oil Pressure Switch - Defective circuit or unplugged/ Defective switch23) Knock Sensor - Defective circuit or unplugged / Defective sensor30) Automatic Transmission Signal- Defective circuit or unplugged/ Defective sensor31) Automatic Transmission Signal "B"- Defective circuit or unplugged/ Defective sensor41) Primary Oxygen Sensor Heater- Circiut malfunction43) Fuel Supply System - Defective or malfunctioning Fuel Supply Sytem45) System too lean or too rich - Malfunction in the fuel monitoring systems48) LAF (Lean Air Fuel) sensor - Defective circuit or unplugged / Defective sensor54) CKF (Crankshaft Speed Fluctuation) sensor- Defective circuit or unplugged / Defective sensor61) Primary Oxygen sensor circuit- High/ Low Voltage, Or slow response63) Secondary Oxygen Sensor circuit- High/ Low Voltage, Or slow response67) Catalyst System Efficiency Below Threshold- Malfunctioning catalyst system70) Automatic Transmission - Malfunction with Automatic Transmission Controls71-74) Random misfire in Cylinders 1-4- Condition present Creating Misfire80) EGR (Exhaust Gas Recirculation) Insufficient Flow Detected86) ECT (Engine Coolant Temperature) Circuir Range / Performance Problem90) Evaporative Emissions Contrlo System - Leak Detected In Fuel Tank Area91) Fuel Tank Pressure Sensor- Low Input92) Evaporative Emission Control System Control System- Insufficient Purge Flow Good Luck...
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Old 01 Jul 2008, 08:31 pm
J D J D is offline
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a 2 point connecter must be shorted to retrieve the code based on DTC flashes,it is located near the ECU,
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