checking and found burned fuse, replaced burns quick, checked scanner diagnosis and need to pin check oxygen sensors, this burns fuses without sensors plugged in, we are suspecting shoprted wire or ecm.
replace the fuse box
http://www.civicforums.com/forums/36-mechanical-problems-vehicle-issues-fix-forum/332602-p1298-cel-advice-please.html
Trouble code P0500 means: Vehicle Speed Sensor A
After googling it is determined Code P0420 ( Catalytic converter effeciency below threshold)
Code 45 on a Honda Civic means the car is not getting proper fuel flow. All the major fuel components should be checked such as the map sensor, oxygen sensor, and fuel pump.
The P1298 code indicates Electric Load Detector Circuit High Voltage. This can be caused by a faulty ECM or load detector unit, or the ELDU harness has shorted out. There was a service bulletin that states that the cause is most likely a faulty solder joint in the ELD. The fix is the replacement of the ELD, P/N 38255-S5A-003.
To fix a ratio on a 2000 Honda Civic transmission, follow the procedure stipulated in the users manual.
You will need to change the brakes and rotors on the Honda Civic to see if that fixes them. If not, take the car to a mechanic and have them fix the problem.
2004 Honda civic not giving good gas mpg
new gaS CAP
You don't fix it, you just replace it. After replacing it get an alinement.
Replace the fuse.