Question about 1991 Honda Civic

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My check engine light on my 1991 honda civic dx comes on when i decelerate

It flashes code 17

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  • 34 Answers

Code 17 speed sensor. Does speedometer work? there is an assembly at the top right of the transmission from which a cable runs to the speedometer. A non working speedometer isn't a massive failure and you can Google how to fix it.

Posted on Jan 06, 2013

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Posted on Jan 02, 2017

dttech
  • 4803 Answers

SOURCE: check engine light comes "on"

OK, If I understand your question correctly, Your Check Engine light is coming on and you are getting a Diagnostic Trouble Code (DTC) P0240 and we are talking about a 2000 Honda Civic DX with a 1.6L engine? If this is not correct, please let me know.

DTC P0240 is not a valid code for the vehicle listed above. Are you sure we are not talking about DTC P0420? If this is the case, then your catalytic converter is not working and most likely will need to be replaced. If you previously had fuel system problems, this is what most likely destroyed your catalytic converter - especially if the vehicle was driven fo some time with the fuel system problem. It is VERY common for this code to come up after other engine performance problems have been repaired. The reason for this is because the computer will not run the catalyst monitor if there are other problems in the ignition or fuel systems. So as long as these other problems exist, the computer has no idea what the condition of the catalyst is. Once the other problems are fixed, then the catalyst moitor will run. If the computer finds that the catalyst has been damaged and is not performing as designed, it will set DTC P0420.

Posted on Jun 18, 2011

HondaCRX
  • 252 Answers

SOURCE: 1991 honda civic fuel pump replacement

You will need to remove the back seats and you will see the fuel pump in between the back seats and trunk. Run the car, remove the fuel pump fuse to relieve the pressure and then the car will die. Remove the pipes to the fuel pump, replace it and refit the pipes. Pump the gas pedal a few times and start it up (remember the fuse!)

If it is inside the tank (the fuel pump), then you will see the tank is held on by straps. Take them off, have ajack under it and remove the filler neck and screws holding it to the car. Remove the tank, undo the central bit where wires and pipes come out and slide the fuel pump out, replace what you have just done and refit.

Hope this helps, please vote :)

Posted on Jul 28, 2010

  • 303 Answers

SOURCE: p 1705 code, honda civic lx 2001

Have tranny serviced . Check tranny fluid level fill with HONDA ONLY fluid. If not fixed have fluid drained and filter replaced on tranny

Posted on Jan 21, 2010

Testimonial: "thanks u very much. the problem has been resolved. very good advice."

  • 260 Answers

SOURCE: my 97 honda civic dx check engine light keeps coming on

Had this issue did you replace the exhaust

Posted on Aug 18, 2009

  • 1 Answer

SOURCE: my 2000 honda civic engine light on code p1456

Hey I had the same code and I have a 2000 honda civic lx. My cousin works at honda and drives a '96 honda civic and he has had that code before on his car as well.

First thing he came up with was that the catalytic converter was cracked. We checked mines, and lo and behold, that's what it was.

Look under your hood, and there should be a catalytic converter with a sensor sticking out of it. It is connected to the exhaust manifold and the sensor sticks out of the heat shield. Around the sensor, look for a crack. If there's a crack, that's your problem.

Posted on May 03, 2009

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Engine light comes on and vanishes when goin 30-45 mph


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1991 Honda Civic DX Location of Fuel relay switch


in the fuse box up by the firewall on the drivers side .... fuse 13 fuel injector relay is the only fuel related fuse/relay that i could locate.fuse 9 in the passenger compartment fuse box as well.... what size motor is in your car ?

Apr 19, 2009 | 1991 Honda Civic

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1991 honda civic check engine light comes on car dies


check throttle cabe and tighten it a bit more to give it gas or also check your o2 sensors

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91 honda civic dx. Starts, runs for a few seconds then stalls


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