P1174 CHEVROLET - Fuel Trim Cylinder Balance Bank 1
P1174 CHEVROLET Possible Causes
- Clogged Fuel Injectors
- Faulty Oxygen sensor
- Ignition problem
- Fuel injection problem
- Engine mechanical condition
First diagnose P1174 CHEVROLET code
Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded terminals.
P1174 CHEVROLET Tech NotesThe sometimes is triggered by clogged fuel injectors. Start by using high octane fuel and/or fuel additive to clean injectors. If problem persists fuel injectors may need to be replace.
There is a factory service bulletin for the following Chevrolet models:
2000 Chevrolet S-10
2000-2008 Chevrolet Camaro
2000-2008 Chevrolet Lumina
2000-2008 Chevrolet Cavalier
2000-2003 Chevrolet Impala
2000-2003 Chevrolet Malibu
2000-2003 Chevrolet Monte Carlo
2000-2003 Chevrolet Silverado
2000-2003 Chevrolet Suburban
2000-2003 Chevrolet Tahoe
2000-2003 Chevrolet Venture
2001-2008 Chevrolet Express
2002-2008 Chevrolet Astro
2000-2003 Chevrolet Avalanche
2000-2003 Chevrolet Trailblazer
2003-2008 Chevrolet Blazer
2003-2008 Chevrolet S-10
2003-2008 Chevrolet Trailblazer EXT
2000-2008 Chevrolet Factory Service Bulletin OBDII Code P1174
Cost of diagnosing the P1174 CHEVROLET code
Labor: 1.0The cost of diagnosing the P1174 CHEVROLET code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
P1174 CHEVROLET Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1174 Chevrolet DescriptionThe Fuel Trim Cylinder Balance diagnostic detects a rich or lean cylinder to cylinder air/fuel ratio imbalance in each bank. 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.
P1174 CHEVROLET More InformationNeed more information on how to fix the P1174 CHEVROLET code?
Get Access to Factory Service Manuals
Need more help?Get the P1174 Chevrolet code diagnosed by a professional: Find a repair shop in your area
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