Not sure if this is in the right spot, sorry if it is but I got a check engine light come on then went out. It was only on for maybe 20 seconds then went out. I parked it later on I went out to give her a start and she started ran like normal. Should I be worried do need to check for codes ? Thanks
Intermittent check engine light
Started by cdn99gtb, Aug 19 2015 10:24 AM
14 replies to this topic
#1
cdn99gtb
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Posted 19 August 2015 - 10:24 AM
#2
LukeFranky
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Posted 19 August 2015 - 11:59 AM
It's worth checking for codes. You can get a bluetooth obd2 scanner for $6 on ebay.
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#3
Jimbo
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Posted 19 August 2015 - 01:02 PM
Nah that wont work. Need to check codes with plugs under dash. Under steering column above pedals, connect the single wire set of white plugs and the set of green plugs.
Check engine light will flash a sequence. Long flash for first digit and short flash second digit of trouble code.
Eg: Flaaaash Flaaash Flaaaash Flash Flash would be code 32. There is a pause between seperate error codes. Reference the codes on Google and you will get the answer.
Keep the plugs connect and drive moderately to clear the ecu. Once the ECU is clear, CEL will flash rhythmically.
Check engine light will flash a sequence. Long flash for first digit and short flash second digit of trouble code.
Eg: Flaaaash Flaaash Flaaaash Flash Flash would be code 32. There is a pause between seperate error codes. Reference the codes on Google and you will get the answer.
Keep the plugs connect and drive moderately to clear the ecu. Once the ECU is clear, CEL will flash rhythmically.
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#4
allpaw4
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Posted 19 August 2015 - 02:18 PM
Depends a lot too on whether this is the first time you've seen it. Takes a couple of times in fault before some ecus will log the fault. I know the gen 3's take 3 times before it will log it. Pain in the arse trying to chase intermittent faults. Took me a week to find a dodgy cam sensor, because of this.
Hopefully it's logged one and it will spit out the number.
Cheers,
Ben
Hopefully it's logged one and it will spit out the number.
Cheers,
Ben
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#5
cdn99gtb
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Posted 20 August 2015 - 03:05 AM
Thanks guys , ya it's the first time I have seen that happen so what I will do is see if it pops up again if does not I will pull the codes saturday.
#6
LukeFranky
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Posted 20 August 2015 - 07:46 AM
What won't work Jimbo? The code scanner?
I have one for my 3GEN and I even sometimes check the codes while driving the moment I see that blasted orange light.
I have one for my 3GEN and I even sometimes check the codes while driving the moment I see that blasted orange light.
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#7
Jimbo
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Posted 20 August 2015 - 07:59 AM
This is a 99 GTB so Rev A. Dont think you can pull that information from the early ECU's. Red D-E has different ECU entirely.
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#8
LukeFranky
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Posted 20 August 2015 - 09:45 AM
Ahh right. Didn't pick up on that.
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#9
cdn99gtb
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Posted 20 August 2015 - 01:39 PM
Rev a ?
#10
LukeFranky
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Posted 20 August 2015 - 01:55 PM
You tell me?
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#11
RX25SE
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Posted 20 August 2015 - 02:52 PM
A very wild guess..... knock sensor.
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#12
cdn99gtb
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Posted 21 August 2015 - 12:53 AM
Does it state the Revision type on vin tag ?
#13
cdn99gtb
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Posted 21 August 2015 - 10:13 AM
Can the can be in limp mode and the cel not be on ?
#14
Jimbo
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Posted 21 August 2015 - 12:15 PM
Yeah your vin will be BH5*. The * will be A B or C. Being a 99, likely to be A or B.
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#15
cdn99gtb
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Posted 22 August 2015 - 03:10 AM
Its a B
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