the 97 spyder we just got for my wife is having a problem. the check engine light just came on, runs fine though, autozone checked it and it said idle air control. he cleared it and said maybe i had some bad gas, few miles later, like 40, it came back on. any idea?
#129096, "RE: Help With Check Engine Code" In response to Reply # 0
Originally posted by ColtsNumba1Fan the 97 spyder we just got for my wife is having a problem. the check engine light just came on, runs fine though, autozone checked it and it said idle air control. he cleared it and said maybe i had some bad gas, few miles later, like 40, it came back on. any idea?
Check the resistance of the Idle Air Control Valve. Pull it out, and clean the passage and tip really good.
Im not sure what the values are, as they are different than 420A sensors.
#129119, "RE: Help With Check Engine Code" In response to Reply # 5
our cars were built in with a ignition enabled code giver. you turn your key over and off 5 times within a certain amt of time...your CEL light will flash a certain amount of times, for instance 5 times, pause, then 4 times. giving you a 54. theres a chart somewhere around here which will tell you what code 54 is. search keydance. im not sure if the 4g63 has this, id assume it does.
#129120, "RE: Help With Check Engine Code" In response to Reply # 6
It was just confusing how you asked it. First calling it 4G63's keydance, then saying not sure if 4G63's have it... yeah it confused me It's just keydance
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'95 GS w/ t3/t4b FMIC, diy piping & RFL BOV MS2-Extra Fuel&Spark 50 lb/hr Holley injectors w/ 1:1 RRFPR JE 8.8:1 dish w/ Hastings Rings Eagle Rods w/ ARP bolts ARP Head studs Mild port/polish head 3" custom DP/cat section, 3" PIT catback dual MBC - 12 psi / 20psi
#129154, "RE: Help With Check Engine Code" In response to Reply # 7
the code is p0505. its the idle air control function or something. what should we try besides cleaning the iac? or is that definately the #1 thing to do? it idles fine, doesnt surge, drives pefectly fine.
#129155, "RE: Help With Check Engine Code" In response to Reply # 8
P0505 Idle Control System Malfunction
Read up on OBD trouble codes. They exist for a reason. Check the pigtail/harness and the IAC for bad connections or visible faults. Additionally inspect for excessive build up and clean as needed. If possible source a known good IAC and swap it in and see if that solves the issue.
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