Question about 2002 Cadillac Escalade
Check spark plug and wire condition, try servicing injectors and check fuel preasure regulator
Posted on Jul 30, 2009
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Posted on Jan 02, 2017
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Basically this means that an oxygen sensor in bank 2 detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 2 is generally the side of the engine that doesn't have cylinder #1.
You will more than likely not notice any drivability problems, although there may be symptoms such as a lack of power, detonation (spark knock), and/or a hesitation/surge on acceleration.
A code P0174 may mean that one or more of the following has happened:
Possible solutions include:
Make sure to use ELECTRONICS CLEANER not carb cleaner on the MAF sensor. It looks like a little diode and it is in the intake hose after the filter but before the engine.
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