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Old 06-05-2014, 09:35 PM   #1
MrM
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2008 VUE 2.4L
Default 2008 Vue Fuel Trim Balance, 4 cyl

Code P1174. 63,000 miles. Never any troubles since buying new, in fact last payment comes at the end of the month. Very little oil usage and no leaks. Great car. This just started after a long day trip (400 mile). No misfires, no rough running engine, MPG was 28. Disconnected the battery, cleared the light. After two days of normal city driving, no light. Day 3 did another long trip (300 mi), light came on again. I've read previous threads from others. Sounds like everyone agrees injectors on the fritz. Any other advice and what kind of cost am I looking at?
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Old 06-05-2014, 10:15 PM   #2
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2005 VUE 2.2L
Default Re: 2008 Vue Fuel Trim Balance, 4 cyl

Depends, do you pump ARCO?

or SHELL, CHEVRON, COSTCO gas ?


YOU don't want to try injector cleaner or look at the plugs? THe code is for an injector gremlin?
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Old 06-06-2014, 12:45 AM   #3
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2008 VUE 2.4L
Default Re: 2008 Vue Fuel Trim Balance, 4 cyl

The bulk has been Costco. Some Mobil. I have been running Lucas injector cleaning every other month in a fill up.....
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Old 06-06-2014, 01:35 AM   #4
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2003 L-Series 3.0L Sedan
Default Re: 2008 Vue Fuel Trim Balance, 4 cyl

Gasoline is gasoline despite many claiming fuel issues. Many want to blame fuel as a problem but unless its proven, guessing gets old. As a single engine pilot, isn't a fuel sample a regular check prior to flight? Single engine aircraft are more prone to water condensation/contamination than motor vehicle gasoline in underground storage tanks. If gasoline is contaminated, every car that fueled up with contaminated fuel will experience the same problem and would be news. A perfect example; one New Jersey Turnpike gas station fueler filled an underground tank with the wrong fuel. The result? A line of vehicles that fueled up from this station promptly died just beyond the station as they got back on the turnpike. All fueled up with diesel that was mistakenly pumped from the tank truck making the wrong connections. It made the news that evening, several years ago. Personally, 63k miles is too early to have all four injectors fail.

From the service manual; The Fuel Trim Cylinder Balance diagnostic detects a rich or a lean cylinder-to-cylinder air/fuel ratio imbalance. The diagnostic monitors the pre-catalyst heated oxygen sensor (HO2S) signal's frequency and amplitude characteristics by calculating an accumulated voltage over a predetermined sample period. An imbalance is indicated when multiple samples of the accumulated voltage are consistently higher than the desired value.

Circuit/System Description

The Fuel Trim Cylinder Balance diagnostic detects a rich or a lean cylinder-to-cylinder air/fuel ratio imbalance. The diagnostic monitors the pre-catalyst heated oxygen sensor (HO2S) signal's frequency and amplitude characteristics by calculating an accumulated voltage over a predetermined sample period. An imbalance is indicated when multiple samples of the accumulated voltage are consistently higher than the desired value.
The device control is not active.
The intrusive diagnostics are not active.
The engine overspeed protection is not active.
The traction control is not active.
The fuel control is in air-fuel Closed Loop.
The system voltage is greater than 10 volts, or less than 18 volts for greater than 4 seconds.
The engine run time is greater than 50 seconds.
The engine coolant temperature (ECT) is greater than 10C (50F).
The engine speed is greater than 1,000 RPM, but less than 4,000 RPM.
The mass air flow is greater than 7 g/s, but less than 400 g/s.
This DTC runs continuously when the above conditions are met.
Conditions for Setting the DTC

Multiple samples of the pre-catalyst HO2S accumulated voltage are consistently higher than the desired value.

Diagnostic Aids

The Fuel Trim Cylinder Balance diagnostic is very sensitive to HO2S design. A non-OE sensor or an incorrect part number may set a false DTC.
Monitoring the misfire current counters, or misfire graph, may help to isolate the cylinder that is causing the condition.
Reference Information

Circuit/System Testing

Read and record the Freeze Frame/Failure Records data taking note of the speed and load at which the DTC set.
Diagnose any other DTCs that are set. Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
With the engine idling and the transmission in the Park or Neutral position, observe the manifold absolute pressure (MAP) sensor parameter. The MAP sensor parameter should be between 19-42 kPa.
⇒ If the MAP sensor parameter is not between 19-42 kPa, refer to DTC P0106 .
Inspect the air induction system for modified, damaged, leaking, or restricted components.
Inspect the crankcase ventilation system for improper operation. Refer to Crankcase Ventilation System Inspection/Diagnosis .
Inspect the vacuum hoses for splits, kinks, and improper connections.
Inspect for vacuum leaks at the intake manifold, the throttle body, and the injector O-rings.
Test for a restricted, damaged, leaking, or modified exhaust system from the catalytic converter forward. Refer to Symptoms - Engine Exhaust .
Test the fuel injectors for improper operation. Refer to Fuel Injector Diagnosis .
Test for fuel contamination. Refer to Alcohol/Contaminants-in-Fuel Diagnosis .
Test for excessive fuel in the crankcase due to leaking injectors.
Test the ignition system for improper operation. Refer to Electronic Ignition (EI) System Diagnosis .
Test the engine for any mechanical conditions such as sticking valves, lifters, etc., which could alter the flow into the combustion chamber. Refer to Symptoms - Engine Mechanical .
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Old 06-06-2014, 07:23 AM   #5
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2009 VUE Red Line
Default Re: 2008 Vue Fuel Trim Balance, 4 cyl

OP,
Many have resolved that particular code by replacing an O2 sensor. You will have to figure out which 02 sensor may be affected ...you likely have one up and downstream of the CAT. Any recent work on your exhaust system or under the car?
Google that code for further insight.

May also be injector related as suggested...apparently a couple of different injector levels...and PCM has to be flashed based upon what injectors you have. May have a TSB on the 2.4L for this issue:
http://www.saturnfans.com/forums/sho...d.php?t=143079
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Old 06-06-2014, 09:13 AM   #6
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2005 VUE 2.2L
Default Re: 2008 Vue Fuel Trim Balance, 4 cyl

[QUOTE=fdryer;2071062]Gasoline is gasoline despite many claiming fuel issues./QUOTE]
VEry true- but the amount of additives/chemistry among brands varies by quite a bit. That can have an effect on engine deposits over time.

YOu get what you pay for.
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'05 ,2.2L, FWD,5-speed stick with transaxle death rattle is history,,,
'17 Suby Forester

245216 mi. VUe is off to the dealer auction
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