2000 Honda Accord, rpm not going over 3000 P1381
#1
2000 Honda Accord, rpm not going over 3000 P1381
2000 Honda Accord
Hi, I have a 2000 honda accord and it has engine check light on. I went to a mechanic and he gave a code of P1381. Now when I drive the car it works normally and drives well at low speed. When I increase the speed the rpm does not go beyond 3000. I have read on websites about this and some says its the alternator and some say its the distributor.
Can someone guide me what might be the possible issue here? I read that alternator diode might be not working in this case. Is that correct?
Help is really appreciated.
Hi, I have a 2000 honda accord and it has engine check light on. I went to a mechanic and he gave a code of P1381. Now when I drive the car it works normally and drives well at low speed. When I increase the speed the rpm does not go beyond 3000. I have read on websites about this and some says its the alternator and some say its the distributor.
Can someone guide me what might be the possible issue here? I read that alternator diode might be not working in this case. Is that correct?
Help is really appreciated.
#3
Re: 2000 Honda Accord, rpm not going over 3000 P1381
could be both but more towards a new alternator, especially if you got other electrical gremlins going on, i would just pull one from the junkyard
#4
Re: 2000 Honda Accord, rpm not going over 3000 P1381
I have the same issue.
The lamp comes on whenever it wants. No rhyme or reason.
That code has several possible fixes.
Replace the distributor (which I did, no cure), possible alternator, or bad ecu.
There was a way to test the resistance between certain ports of the ECU, but I don't remember which ones.
I just reset the light with my $25 scan tool for now.
A junkyard ecu will run about $100 with an hour of labor for the dealer to reprogram the ECU to your VIN.
I would try the alternator first, since it is a diy project.
The lamp comes on whenever it wants. No rhyme or reason.
That code has several possible fixes.
Replace the distributor (which I did, no cure), possible alternator, or bad ecu.
There was a way to test the resistance between certain ports of the ECU, but I don't remember which ones.
I just reset the light with my $25 scan tool for now.
A junkyard ecu will run about $100 with an hour of labor for the dealer to reprogram the ECU to your VIN.
I would try the alternator first, since it is a diy project.
#5
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Re: 2000 Honda Accord, rpm not going over 3000 P1381
I had this same problem, I threw 3 distributors in it before i realized it was the PCM/ECU under the center console. Check resistance between PCM and Dizzy. My PCM had gone bad and I had to source one from a yard and have it reprogrammed at my dealership ($150).
Leave the old PCM in the car until your ready to have the new one reprogrammed. If you throw in a replacement PCM it will immobilize the vehicle (literally, it locks up the brakes).
Leave the old PCM in the car until your ready to have the new one reprogrammed. If you throw in a replacement PCM it will immobilize the vehicle (literally, it locks up the brakes).
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02-08-2023 04:26 AM