Question about 1991 Honda Civic

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I have a 91 honda civic that is getting no fire replaced distributer and main relay at that point it thru a code 6 which is ect sensor malfunction we replaced that and we r still getting no spark i am completly lost

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Sometimes ur carburator valve gets stuck,if not, well,is ur belt still on?

Posted on Aug 06, 2010

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Honda civic p0135 code


Error Code: P0135
Description:
Heated Oxygen Sensor (HO2S) 1, Bank 1 - Heater Circuit Malfunction
Possible Cause:
Fuse.
Heater relay.
Wiring.
Heated oxygen sensor (HO2S).

Jan 11, 2014 | 2001 Honda Civic

2 Answers

I have a code flashing on my ecu for a honda


This is from the first or second google search for "honda civic ecu codes". I'm actually going through this myself.
EF Ecu Trouble Codes
Reading EF ecu Trouble codes
Reading 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. Short the plug under there.

For example: Flaaaaaash Flaaaaaash Flash = code 21
Flaaaaaash Flash = code 11
Flash Flash = code 2

1) Primary oxygen sensor- Defective circuit or unplugged/ Defective sensor
2) Oxygen sensor "B" - Defective circiut or unplugged/ Defective sensor
3) MAP (Manifold Absolute Pressure) Sensor - Defective circuit or unplugged/ Sensor
4) CKP (Crankshaft Position Sensor) - Defective circuit or unplugged/ Defective sensor
5) MAP (Manifold Absolute Pressure) sensor -Mechanical problem/ Disconnected piping
6) ECT ( Engine Coolant Temperature) Sensor- Defective circuit or unplugged/ Sensor
7) TP (Throttle Position) Sensor -Defective circuit or unplugged/ Defective sensor
TDC (Top Dead Centre) Sensor -Defective circuit or unplugged/ Defective sensor
9) CYP (Cylinder) - Defective circuit or unplugged/ Defective sensor
10) IAT (Intake Air Temperature)sensor- Defective circuit or unplugged/Defective sensor
12) EGR (Exhaust Gas Recirculation) -Defective circuit or unplugged/ Defective sensor
13) Atmospheric Pressure Sensor - Defective circuit or unplugged/ Defective sensor
14) IAC (Intake Air Control) Valve- Defective circuit or unplugged / Defective sensor
15) Ignition Output Signal - Missing or defective ignition output signal
16) Fuel Injector System - Defective circuit or unplugged/ Defective fuel injector
17) VSS (Vehicle Speed Sensor) - Defective circuit or unplugged/ Defective sensor
19) Automatic transmission lockup control Solenoid Valve- Defective circuit or unplugged/ Defective solenoid. A/T Only.
20) Electronic Load Detector - Defective circuit or unplugged/ Defective sensor
21) VTEC Solenoid Valve- Defective circuit or unplugged/ Defective solenoid
22) VTEC Oil Pressure Switch - Defective circuit or unplugged/ Defective switch
23) Knock Sensor - Defective circuit or unplugged / Defective sensor
30) Automatic Transmission Signal- Defective circuit or unplugged/ Defective sensor
31) Automatic Transmission Signal "B"- Defective circuit or unplugged/ Defective sensor
41) Primary Oxygen Sensor Heater- Circiut malfunction
43) Fuel Supply System - Defective or malfunctioning Fuel Supply Sytem
45) System too lean or too rich - Malfunction in the fuel monitoring systems
48) LAF (Lean Air Fuel) sensor - Defective circuit or unplugged / Defective sensor
54) CKF (Crankshaft Speed Fluctuation) sensor- Defective circuit or unplugged / Defective sensor
61) Primary Oxygen sensor circuit- High/ Low Voltage, Or slow response
63) Secondary Oxygen Sensor circuit- High/ Low Voltage, Or slow response
67) Catalyst System Efficiency Below Threshold- Malfunctioning catalyst system
70) Automatic Transmission - Malfunction with Automatic Transmission Controls
71-74) Random misfire in Cylinders 1-4- Condition present Creating Misfire
80) EGR (Exhaust Gas Recirculation) Insufficient Flow Detected
86) ECT (Engine Coolant Temperature) Circuir Range / Performance Problem
90) Evaporative Emissions Contrlo System - Leak Detected In Fuel Tank Area
91) Fuel Tank Pressure Sensor- Low Input
92) Evaporative Emission Control System Control System- Insufficient Purge Flow

Ask your autoparts store how much the parts are and decide if it has a point to even do it, its a 19 year old car. You should also ask if that employee works on the side and would do it for you, if you aren't comfortable.

Mar 01, 2010 | 1991 Honda Civic

2 Answers

1988 honda civic 1.5eng.cut off now will not start it


You need a cap and rotor. Rotor is probaly grounding thru distributor shaft from a carbon track.

Jun 10, 2009 | 1991 Honda Civic

1 Answer

1989 Honda Civic hard starting and dies for no reason. Cooling fans not working. Trouble codes are #6 coolant, #10 air intake temp, #16 fuel injector. Can anyone lead me to a solution for these problems?


6
Accord Civic CRV CRX Del Sol Odyssey Prelude
85-98 86-98 97-98 85-91 93-97 95-98 85-98 ECT Sensor (Engine Coolant Temperature)
defective circuit or unplugged / defective sensor
10
Accord Civic CRV CRX Del Sol Odyssey Prelude
85-98 86-98 97-98 85-91 93-97 95-98 85-98 IAT Sensor (Intake Air Temperature)
defective circuit or unplugged / defective sensor
16
Accord Civic CRV CRX Del Sol Odyssey Prelude
90-95 88-95 n/a 88-91 93-95 95 88-95 Fuel Injector System
defective circuit or unplugged / defective fuel injector

check your wiring for dirty connections or broken wires, you may have wires that are rubbed through or connectors that are not making full contact. you will need an ohm meter and check wires for continuity. a wiring diagram will be needed.

May 15, 2009 | 1989 Honda Civic

1 Answer

89' honda civic lx dies after 10 minutes or warms up?


it is probably your distributer. It has a internal amplifier and when it gets hot, it quits working.

Mar 25, 2009 | 1983 Honda Civic

1 Answer

91 civic engine flooding


2 things come to mind.. Fuel pressure regulator.. and Leaking injectors..

Mar 08, 2009 | 1991 Honda Civic

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