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emissions help! throwing 13 codes!

Old Jan 27, 2006 | 08:31 AM
  #1  
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Default emissions help! throwing 13 codes!

so i got the obd2 scan today at the auto zone. the thing read 13 codes being thrown on my car. first off, i drive a 99 civic ex with a 99 usdm gsr swap. i used my ex wiring harness and the ecu is a 99 si ecu. the codes that are being thrown are:


-P0301
No. 1 Cylinder Misfire
-P0302
No. 2 Cylinder Misfire
-P0303
No. 3 Cylinder Misfire
-P0304
No. 4 Cylinder Misfire
-P0131
02 sensor low volts bank 1 sensor 1
-P0500
speed sensor A malfunction
-P0135
02 sensor heater malfunction bank 1 sensor 1
-P0171
system too lean
-P0141
02 sensor circuit malfunction bank 1 sensor 2
-P0300
multiple cylinder misfire
-P0170
fuel trim malfunction bank 1

here the complete list from the scan. can someone pleaaaase help me out.

i reposted here cause i guess the '92-00 Civic / Del Sol wasnt the best place


Modified by blackie at 7:59 PM 1/27/2006
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Old Jan 27, 2006 | 10:52 AM
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Default Re: emissions help! throwing 13 codes! (blackie)

replace your o2 sensor.... assuming your wireing is working well and intact..
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Old Jan 27, 2006 | 07:00 PM
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bump for me
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Old Jan 27, 2006 | 08:33 PM
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anyone? i think half of the problems would be gone if i got the correct usdm 99 gsr ecu but dont they have the immobilizer?
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Old Jan 27, 2006 | 09:19 PM
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Default Re: (blackie)

RESET your ecu and check the codes urself. dont waste ur time go n to autozone for that ****. if the car is throw n CEL for misfire, did u ever crank the car with the dizzy not plugged in? that will throw those codes. it could also be that the plugs r no good. do a tune up on the car (Plugs, plug wires, cap, rotor)

also when u did the swap did u install the O2 sensor????
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Old Jan 28, 2006 | 07:44 AM
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Default Re: (blackie)

take it to someone that knows what they're doin
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Old Jan 28, 2006 | 06:57 PM
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i think i might need a tune up. anyone else with some good info? ill try reseting the battery also
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Old Jan 28, 2006 | 10:21 PM
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is the 99 gsr ecu obd2b? and does it have the immobilizer?
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Old Jan 29, 2006 | 11:41 AM
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sunday bump
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Old Jan 29, 2006 | 06:11 PM
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bumpin for a reply
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