P1174 CADILLAC Possible Causes
- Clogged Fuel Injectors
- Faulty Oxygen sensor
- Ignition problem
- Fuel injection problem
- Engine mechanical condition
How do I fix code P1174 CADILLAC
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 connector's pins.
P1174 CADILLAC 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 Cadillac models:
2000-2008 Cadillac Escalade
2000-2008 Cadillac Escalade EXT
2003-2008 Cadillac Escalade ESV
2000-2008 Cadillac Factory Service Bulletin OBDII Code P1174
Cost of diagnosing the P1174 CADILLAC code
Labor: 1.0The cost of diagnosing the P1174 CADILLAC 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 CADILLAC Possible Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
P1174 CADILLAC MeaningThe 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 CADILLAC More InformationNeed more information on how to fix the P1174 CADILLAC code?
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