16556/P0172/000370: Difference between revisions
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Table Of Contents
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1.
16556/P0172 - System Too Rich, Bank 1
- 1.1.1 Possible Symptoms
- 1.2.1 Possible Causes
- 1.3.1 Special Notes
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==== Possible Symptoms ==== | ==== Possible Symptoms ==== | ||
* Irregular | * Irregular behavior | ||
==== Possible Causes ==== | ==== Possible Causes ==== | ||
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* Exhaust leaks before or near HO2Ss. | * Exhaust leaks before or near HO2Ss. | ||
==== Special Notes ==== | |||
[[Fuel Trim Info]] | |||
[[Category:Fault Codes]] | [[Category:Fault Codes]] | ||
Revision as of 15:30, 11 March 2015
16556/P0172 - System Too Rich, Bank 1
Possible Symptoms
- Irregular behavior
Possible Causes
- Fuel system
- Excessive fuel pressure
- Leaking or contaminated fuel injectors
- Leaking fuel pressure regulator
- Low fuel pressure or running out of fuel
- Vapor recovery system
- Air leaks after the MAF
- Vacuum leaks
- Improper seated engine oil dipstick
- Stuck EGR valve
- Oil overfill
- Cam timing
- Cylinder compression
- Exhaust leaks before or near HO2Ss.