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Chev Cruze 1.8 (Manual) - Code E79


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21 replies to this topic

#1 OFFLINE   Niren

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Posted 27 July 2010 - 01:36 PM

Hi,
I have had my Chev Cruze 1.8 (Manual) for about 4 months now. At about 4500 km's - I got a fault codE 79 as a warning. I checked the oil out of curiosity & it had dropped to the halfway mark. When I took it to the dealer, they said there was a modification to a fuel pipe. However, after they changed the fuel pipe, I still received this error code. In the mean time, I noticed drops/lags in power, especially when driving uphill & also when using climate control. The next time I took the car in (about 8100km), I noticed the oil had dropped to almost the bottom mark. I told teh maintenance guy about this & they just filled up the oil. He didn't think it had anything to do with the fault code. I haven't had teh fault code reappear since then. I still haven't got a satisfactory response about the fault code (what it means) - they say that the software was updated. I was also told taht its normal for the vehicle to use oil! About 1 litre/pint per 1000 km's

Does anyone know what codE79 stands for?
Does the oil consumption sound acceptable? I owned an Isuzu bakkie before this & it never took oil between services.
Is the service interval 1000 km's or 15000 km's?

Look forward to hearing some responses
Tnx







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#2 OFFLINE   Disbeliever

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Posted 27 July 2010 - 02:33 PM

Hi,
I have had my Chev Cruze 1.8 (Manual) for about 4 months now. At about 4500 km's - I got a fault codE 79 as a warning. I checked the oil out of curiosity & it had dropped to the halfway mark. When I took it to the dealer, they said there was a modification to a fuel pipe. However, after they changed the fuel pipe, I still received this error code. In the mean time, I noticed drops/lags in power, especially when driving uphill & also when using climate control. The next time I took the car in (about 8100km), I noticed the oil had dropped to almost the bottom mark. I told teh maintenance guy about this & they just filled up the oil. He didn't think it had anything to do with the fault code. I haven't had teh fault code reappear since then. I still haven't got a satisfactory response about the fault code (what it means) - they say that the software was updated. I was also told taht its normal for the vehicle to use oil! About 1 litre/pint per 1000 km's

Does anyone know what codE79 stands for?
Does the oil consumption sound acceptable? I owned an Isuzu bakkie before this & it never took oil between services.
Is the service interval 1000 km's or 15000 km's?

Look forward to hearing some responses
Tnx



#3 OFFLINE   Disbeliever

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Posted 27 July 2010 - 02:35 PM

Service Intervals ar at 10,000 miles or I year whichever comes forst. Code 79 Top up engine oil. All infomation is given in the Owners Manual.

#4 OFFLINE   thommo10

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Posted 28 July 2010 - 12:58 AM

Service Intervals ar at 10,000 miles or I year whichever comes forst. Code 79 Top up engine oil. All infomation is given in the Owners Manual.



have not had to add engine oil and have just hit 12,500 kms. Check the stick regulary, has hardly gone down at all.

#5 OFFLINE   Niren

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Posted 29 July 2010 - 12:17 AM

Service Intervals ar at 10,000 miles or I year whichever comes forst. Code 79 Top up engine oil. All infomation is given in the Owners Manual.


Ok - Tnx - The dealer didn't seem to know this... Strange and they are supposed to be the professionals.

#6 OFFLINE   Niren

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Posted 29 July 2010 - 12:18 AM

have not had to add engine oil and have just hit 12,500 kms. Check the stick regulary, has hardly gone down at all.



Lucky you - can we exchange cars? Just joking...

#7 OFFLINE   lebu

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Posted 30 July 2010 - 08:04 AM

Lucky you - can we exchange cars? Just joking...


it was happened to my car while it was only 9 th. km , and first day. "code 79"
service checked oil stick and oil sensor cable. than "code 79" signed again.

service changed oil sensor , now its okay . i havent got problem ..

#8 OFFLINE   OzCruze

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Posted 30 July 2010 - 05:46 PM

It is a common thought that modern cars don't burn oil. In fact all cars burn some oil in small quantities. Oil rings on the pistons are designed to "wipe excess oil" off the cylinder walls, however there "must" be some oil remaining to lubricate the cylinder.....therefore that oil must be burnt in the combustion process....so all engines do burn some oil....even in minute amounts.
Niven.....The amount of 1litre/pint per 1000klms. to me is way too excessive. This amount is way too much for a new car.
I think that Lebu having the oil sensor changed cured that problem. Yours may well have the same problem.....either way 1 litre is way too much loss of oil.
cheers, Ross

#9 OFFLINE   C18

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Posted 22 September 2011 - 01:56 PM

I have also the Code79 (oillevel to low). First of all they (pretended) update the software from the ECU. (=w/o success) Then the dealer (pretended) changed the oillevel sensor and extract the oil pan. (=w/o success) How in warm conditions the Code 79 went on although the oil level is ok!

#10 OFFLINE   Kamaldeep Dhami

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Posted 14 January 2015 - 08:31 AM

I have also the Code79 (oillevel to low). First of all they (pretended) update the software from the ECU. (=w/o success) Then the dealer (pretended) changed the oillevel sensor and extract the oil pan. (=w/o success) How in warm conditions the Code 79 went on although the oil level is ok!



#11 OFFLINE   Kamaldeep Dhami

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Posted 14 January 2015 - 08:32 AM


Hi
I slso got same 79 code..replaced oil level sensor..but no luck wiring is ok ..
U got any luck to fix code 79. ...

#12 OFFLINE   Kamaldeep Dhami

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Posted 14 January 2015 - 08:36 AM

Hi
snybody know how to fix code 79 on cruze. .
I already replaced oil level sensor. .and also check wiring & connecter for oil level sensor. .but no luck ...code come on every 8or 9 kms .then I shut off engine code is gone and come back again after 8 or 9 kms ...
needs help ...
anyone. ...

#13 OFFLINE   Ionut

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Posted 28 August 2015 - 09:41 AM

Same problem for me :( with my 1.8L petrol Cruze (2010)

The CODE 79 started appearing after 2-3 hours driving even if the oil level was OK. I got the oil level sensor replaced by the dealer service and the wiring checked, but the situation got worse - afterwards the CODE 79 has started appearing after few KMs, when the engine gets to the normal operating temperature. The technicians from the dealer service does not know how to handle this situation ... quite odd.

 

Which is the solution for this problem? Which is the root cause - sensor malfunction/sensor calibration issue/oil quality/short circuit ?

 

Thanks!


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#14 OFFLINE   C77

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Posted 05 September 2015 - 10:33 AM

Try to put inside your engine some more drops of oil - around 200-300 ml should be OK.



#15 OFFLINE   Ionut

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Posted 28 September 2015 - 02:29 AM

No luck with adding more oil, already tried it.



#16 OFFLINE   C77

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Posted 28 September 2015 - 08:07 AM

So maybe change oil for some different and better then GM dexos2, GM dexos oil is not good oil especially for 1.8


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#17 OFFLINE   Krisz

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Posted 15 August 2017 - 12:20 AM

HI!

 

I'am new here. I have the same problem code 79. Has anyone fixed this problem?

 

THX for help!



#18 OFFLINE   C77

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Posted 15 August 2017 - 04:36 PM

Yes GM by removing that oil level sensor in junger Cruze models.

 

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#19 OFFLINE   Krisz

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Posted 17 August 2017 - 02:37 PM

Hi! Oil level sensor has changed already. Code79 still comes up.

 

I have no idea what next....



#20 OFFLINE   grs1961

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Posted 19 August 2017 - 06:31 AM

There are mentions on-line of mechanics re-installing the oil-level sensor upside down.

 

This could cause Code 79 to be thrown even when the oil level is acceptable.


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