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Author Topic: my error codes  (Read 13198 times)

Offline SteveS

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my error codes
« on: April 18, 2009, 01:13:31 pm »
00768
Quote
16684/P0300/000768 - Random/Multiple Cylinder Misfire Detected
Possible Causes

    * Air Intake System leaking
    * Fuel Supply faulty
    * Injector(s) faulty
    * Ignition Cable(s) and/or Spark Plug(s) faulty
    * Ignition Coil(s) faulty
    * Exhaust Gas Recirculation (EGR) Valve (N18) stuck/open
    * Camshaft Position Sensor (G40) faulty

Possible Solutions

    * Check Misfire Recognition
    * Check Air Intake System
    * Check Fuel Supply
    * Check Injector(s) and Injector Sealing
    * Check Ignition Cable(s) and Spark Plug(s)
    * Check Ignition Coil(s)
    * Check Exhaust Gas Recirculation (EGR) Valve (N18)
    * Check Camshaft Position Sensor (G40)

Special Notes

    * This DTC indicates that one or multiple cylinders are misfiring, but the ECU fails to identify the cylinder.

AND

00771
Quote
00771 - Fuel Level Sensor (G)
00771 - Fuel Level Sensor (G): Open / Short Circuit to B+
Possible Symptoms

    * Fuel reserve displayed value 0 (empty)

Possible Causes

    * Wiring between Fuel Level Sensor (G) and Instrument Cluster: Open or Short Circuit

Possible Solutions

    * Check wiring between Fuel Level Sensor (G) and Instrument Cluster
    * Check Measuring Block Value


00771 - Fuel Level Sensor (G): Short to Ground
Possible Symptoms

    * Fuel reserve displayed value 0 (empty)

Possible Causes

    * Fuel Level Sensor (G) damaged

Possible Solutions

    * Check / Replace Fuel Level Sensor (G)

 :confused:

im guessing the fuel supply is causing missfire?
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Offline 182_blue

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Re: my error codes
« Reply #1 on: April 18, 2009, 01:19:19 pm »
where did you get those codes ?
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Offline SteveS

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Re: my error codes
« Reply #2 on: April 18, 2009, 01:20:27 pm »
where? from a memoscan vw/audi canbus handheld thingy :)
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Offline chungster

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Re: my error codes
« Reply #3 on: April 18, 2009, 01:36:21 pm »
what are your mods again?? you have standard fuel pump don't you??

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Offline SteveS

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Re: my error codes
« Reply #4 on: April 18, 2009, 01:37:11 pm »
Just Carbonio and REVO Stage1.
Standard Fuel Pump yes.
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Offline chungster

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Re: my error codes
« Reply #5 on: April 18, 2009, 01:38:36 pm »
what are you revo settings at the moment??
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Offline SteveS

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Re: my error codes
« Reply #6 on: April 18, 2009, 01:40:50 pm »
on revo stock
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Offline john_o

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Re: my error codes
« Reply #7 on: April 18, 2009, 01:47:46 pm »
not sure they are related tbh but Im no expert
Whats the time and date on both as you were running REVO mapped , got a CEL (which would have been stored) , then you dropped to stock REVO settings , then got the CEL again.

Ist one is common and may just be from excessive boost settings in REVO
2nd looks like something a dealer would fix and something needs replaced. (if it is remapped related REVO will know)

Ask REVO for their opinion
clear  codes , run in stock mode , thrash it and see if you get 1 or 2 again. suspect you may just get no2

hth
john



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Offline SteveS

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Re: my error codes
« Reply #8 on: April 18, 2009, 01:49:34 pm »
the CEL light stuck on with REVO settings, so dropped to stock to make sure all ok...

I guess theres nothing i can do but clear them and see if it happends again on stock. then on revo.

I could have had the boost too high...
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Offline chungster

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Re: my error codes
« Reply #9 on: April 18, 2009, 01:53:25 pm »
that's the thing, if you set the boost to like 7 or 8, with a stock fuel pump, it may cause those faults, but i ain't no expert either!!

did you change the timing / fuel numbers too when you played with the boost level??
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Offline SteveS

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Re: my error codes
« Reply #10 on: April 18, 2009, 01:59:05 pm »
nah b8 t5 f9.. carl said should b ok, but weather has got warmer now for boost
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Offline chungster

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Re: my error codes
« Reply #11 on: April 18, 2009, 02:01:24 pm »
you upped the boost to 8, but didn't change the fuel to lower number (makes it run richer as 9 is leanest / most economical setting)

that might have been the problem then!

surprised carl said it was ok.

I remember AmD telling me that if i upped the boost, i'll need to reduce the Fuel number to increase fuelling.
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Offline SteveS

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Re: my error codes
« Reply #12 on: April 18, 2009, 02:02:14 pm »
carl said standard pump couldnt provide more..?
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Offline chungster

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Re: my error codes
« Reply #13 on: April 18, 2009, 02:17:19 pm »
its not about providing more...

upping boost number doesn't increase boost per se (psi / bar), it makes the boost come on a bit more aggressively i think. so you change the Fuel number to make fuel supply match the way boost is now delivered.

but then Carl should know whats ok and what not so maybe i'm talking gibberish lol.

not sure about the other 2 codes re short circuit? very strange!

Mine's set at B6 T5 F9 and I've not changed it since. 
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Offline SteveS

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Re: my error codes
« Reply #14 on: April 18, 2009, 02:33:59 pm »
gonna clear errors put revo bk (lower boost) and see what happeneds
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