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i have a 91' honda accord & everytime i hit the brakes when slowing down from a rapid rate of speed, my check engine light pops on. it has been doing this for almost a year i have a new battery & it still is on. i have put on new brakes on the front & it still is on. Someone please help with any good suggestions. It is really annoying. my dash board is lit up like a christmas tree.

2007-05-10 07:19:47 · 3 answers · asked by Anonymous in Cars & Transportation Car Makes Honda

F.Y.I. the dealership can't figure it out with the tester b/c it is a 91' & the code-reader doesn't go back that far.

2007-05-10 07:33:47 · update #1

3 answers

Go to the dealership. They hook up a lttle diagnostic computer to your car and can check what the warning lights are all about. That's why those lights go on- it's a warning! Go the dealership to find out if you have a real problem or not before you do real damage to your car.

2007-05-10 07:29:29 · answer #1 · answered by Anonymous · 0 1

IF it is the Check Engine light and not the brake warning lamp then the answer is that you have a wire that is stripped or moving back and forth causing contact of the bare wire with a metal surface that grounds the circuit and illuminates the ight. As you brake the wire swings or is pulled in one direction that shorts the circuit and causes the lamp to illuminate. When you accelerate the wire moves in the other direction or the tension is relaxed on the harness and the contact with the ground is broken so the light goes out. That problem can also be caused by a terminal for a wire that is loose in a connector that is getting pulled on as the engine moves back and forth on deceleration.

the technician needs to check the wiring from the bulb on the dash panel back through all of the connectors to find the problem. It won't be inexpensive to track it down.

If the problem were significant the light would stay on all the time and a code would be stored. Having driven it for a year with no adverse affects I would assume it is more of an annoyance than a 'real' problem. I guess the question is how much is it worth to you to eliminate the annoyance.

hope that answers your question

2007-05-10 15:03:41 · answer #2 · answered by honda guy 7 · 1 0

Are you sure that it is the check engine light, because the Accord has a brake light warner on the dash as well. It may need a socket or bulb somewere in the system.

2007-05-10 14:45:47 · answer #3 · answered by Anonymous · 0 1

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