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Thread: OBD2 codes for 2000 camaro z28
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04-28-2012, 06:36 PM #1
- Join Date
- Apr 2012
- Location
- vallejo,CA
- Posts
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black- 2000 camaro z28
OBD2 codes for 2000 camaro z28
hello all, I just bought this 2000 M6 z28 and I have a few codes (not CEL codes) that i pulled up with my friends OBD2 reader made by CENTECH, i would like to know if ANY of these readings look out of the ordinary. The person i bought the car from told me that everything is pretty much stock, except for the flowmasters.
these readings are when the car is off, on accessory mode
DTC_CNT: 0
FUELSYS1: CL
FUELSYS2: CL
LOAD_PCT: 0.0
ETC: 198
SHRTFT1: 0.0
LONGFT1: 7.0
SHRTFT2: 0.0
LONGFT2: 9.4
MAP: 30.1
RPM:0
VSS: 0
SPARK ADV: 0
IAT: 0.000
TP: 0.0
AIR_STAT: OFF
02B1S1: 0.045
SHRTFTB1S1: 0.0
02B1S2: 0.025
02B2S1: 0.015
I even got codes from when the car is on in neutral position
DTC_CNT: 0
FUELSYS1: CL
FUELSYS2: CL
LOAD_PCT: 2.0
ETC: 188
SHRTFT1: 2.3 - 3.1
LONGFT1: 10.2
SHRTFT2: 0.0 - 3.1
LONGFT2: 14.1
MAP: 8.9
RPM: 811
VSS: 0
SPARK ADV: 21-23
IAT: 133
MAF: 0.746 - 0.762
TP: 0.0
AIR_STAT: OFF
02B1S1: 0.065 - 0.800
SHRTFTB1S1: -0.6 ~ -3.1
02B2S2: 0.095
I also got readings from the bank sensor's
02 BANK 1 SENSOR 1
(rich-lean threshd)
MOD: $10
MEAS: 0.365
(LOW FOR SWITCH)
MEAS: 0.300
(HIGH FOR SWITCH)
MEAS: 0.600
(RICH-LEAN SWITCH)
MEAS: 0.040
MIN: 0.000
MAX: 0.248
(LEAN-RICH SWITCH)
MEAS: 0.024
MIN: 0.000
MAX: 0.152
02 BANK 2 SENSOR 1
(rich-lean threshd)
MOD: $10
MEAS: 0.365
(LOW FOR SWITCH)
MEAS: 0.300
(HIGH FOR SWITCH)
MEAS: 0.600
(RICH-LEAN SWITCH)
MEAS: 0.052
MIN: 0.000
MAX: 0.248
(LEAN-RICH SWITCH)
MEAS: 0.032
MIN: 0.000
MAX: 0.184
please anyone who knows the specifications for these codes shoot me in the right direction, thanks and god blessLast edited by rafael707; 04-28-2012 at 11:12 PM.
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04-28-2012, 11:01 PM #2
What codes were actually set? P0171 and p0174? Separate o2 codes? Without code numbers its hard to say other than either both front o2 sensors are bad, high or low fuel pressure, or air intake issues.
1999 Z/28
M6 w/ Hurst shifter and SLP skip shift eliminator, drilled rotors, Y3F package, SLP lid w/ K&N filter, VFN fiberglass 2" cowl hood, TSP 1 3/4" headers & ORY
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04-28-2012, 11:09 PM #3
- Join Date
- Apr 2012
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- vallejo,CA
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black- 2000 camaro z28
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04-29-2012, 10:08 AM #4
p0171 - system lean bank 1; possible causes: vacuum leak, O2 sensor, possible mass air flow sensor or high or low fuel pressure if set with p0174
p0174 - system lean bank 2; possible causes: vacuum leak, O2 sensor, possible mass air flow sensor or high or low fuel pressure if set with p0174
p0122 - tps sensor input low; possible causes: bad connection, mounted incorrectly, bad tps, bad ecm
p0300 - random multiple cylinder misfire; possible causes: plugs, wires, coils, vacuum leak, faulty O2 sensors, clogged egr passage
p0410 - secondary air injection system; possible causes: bad air pump, clogged air passage
p0102 - mass air flow low input; possible causes: bad wiring/connection, dirty/clogged maf, bad maf
keep an eye on things now that the light is off but i would also suggest taking the maf off, cleaning it and checking the wiring since there are several codes coming up pointing towards a faulty maf.
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05-01-2012, 03:16 PM #5
- Join Date
- Apr 2012
- Location
- vallejo,CA
- Posts
- 8
black- 2000 camaro z28
So far i have not got any CEL, so i think im pretty safe. thanks for the input
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05-01-2012, 05:41 PM #6
sure thing. happy to help when and where i can
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