Question about 1991 Honda Civic

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1991 honda civic not running on third cylinder. Have changed plugs and they are all firing. What could it be? Someone told me a burnt valve but it started acting up all of a sudden.

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You could have bad compression rings on that piston. I would do a compression test on that cylinder, also I would check the fuel injector.

Posted on Jun 07, 2010

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How to fix my honda civic it has low compression and week fire how u fix it


low compression can be either leaking head gasket-bad head /burnt valves--piston rings --damaged cylinder wall all of these are a tear apart fix a rebuild depending on mileage and condition of engine a replacement engine might be a better financial solution ---as for weak spark coil --wires-spark plug -fouled spark plug --and if same cylinder as damaged one the compression

Sep 30, 2015 | Honda Cars & Trucks

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96 Honda Civic making a popping noise when I release the clutch and third gear


Reasons for popping noise:
Popping noise could occur due to the malfunction in the ignition system, leaky valves, weak cylinder compression, carbon accumulation in the combustion chamber or lean fuel.
1. Ignition system malfunction (Misfire).
Check:
- The ignition timing.
- Spark plug gaps.
- Use colder type spark plugs.
- Ignition module and ignition coil.
- Distributor cap and rotor.
- Spark plug high tension cords.
2. Cylinder compression:
- Check valves clearance.
- Perform cylinder compression test.
3. Fuel system (For lean state).
- Check fuel filter for clogged.
- Check fuel injectors.
- Check fuel pump pressure.
- Check fuel regulator.

May 04, 2015 | 1996 Honda Civic

1 Answer

Cylinder 3 misfire code 73 honda civic


i would check egr valve and check to see if working this will cause misfire codes that you have had /swap sparkplug with another cylinder and see if problem now at another cylinder could be bad spark plug as cause

Dec 19, 2013 | 2005 Honda Civic

1 Answer

Hello my name is jesee and i have 97 honda civic coupe and i have a code readn of p303 now what does this mean? i would have to change in order to get code off?


Hi, this is a misfire on cylinder 3. #3 is third back from the fan belt. Remove the spark plug, reattach the wire, and hold the plug to the engine metal while someone cranks the engine to see if the plug is sparking. If not, you need to replace the wire or the plug. Try changing the plug first, as wires are expensive. If the plug sparks OK, then the problem is likely a burned exhaust valve or a clogged injector. These require more work. Please get back to me if you want tpo know how to check those.

Feb 11, 2011 | Honda Civic Cars & Trucks

3 Answers

2000 civic ex, three years ago previous owner had burnt valve on number 3 cylinder- garage sent head to machine shop and repaired. Now for me and only about 7,000 miles later it occurring again. Burnt...


When the compression is good or within specs. You don't have a burnt valve. A bad valve will cause low to no compression at all. The misfire could have been from the spark plug, fuel injector, or coil. You said the check engine light was on. do you remember the code/s?

Feb 05, 2011 | 2000 Honda Civic

1 Answer

I have a 91 honda civic and need spark plug wire diagram


Fire order
1-3-4-2

Cylinder #1 will be the one closes to the fan belts and so on 1-2-3-4, on the distributor cap there should be a # 1 stamped on it, put cylinder # 1 spark plug wire on that one, install spark plug wire in firing order clockwise on the cap, the cap some time's might even have the firing order on it.

Jun 04, 2010 | 1991 Honda Civic

3 Answers

I followed the firing order installing a dist cap on a 91 camaro and still running rough What do I look for now


check plugs -plug gap-vacuum leak-fuel mix-fuel pressure-timing-pcv valve-egr valve-air filter-oil sludge build up-problem in heads[valves adjustment-burnt-weak springs if only changed wires do a complete tune-up and do a compression check

Mar 14, 2010 | 1991 Chevrolet Camaro

2 Answers

Check engine light is on on my 2004 civic lx obd 2 scanner gives code 302 changed plugs but that did not fix the problem


A P0302 code means that the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #2.

A code P0302 may mean that one or more of the following has happened:

Faulty spark plug or wire
Faulty coil (pack)
Faulty oxygen sensor(s)
Faulty fuel injector
Burned exhaust valve
Faulty catalytic converter(s)
Running out of fuel
Poor compression
Defective computer

Jan 19, 2010 | 2004 Honda Civic

2 Answers

My honda civic lost power and there is oil on the spark plugs what is the proble and how do i fix it


If your plugs are oil fouled, then either the spark is weak and not firing correctly in each cylinder (you would probably have misfire) Or the 02 sensors are bad and the engine is running really rich.

Oct 16, 2009 | 1995 Honda Civic

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