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Posted on Jan 02, 2017
A P2195 means that the HEGO (heated oxygen sensor) O212 (O2 #1 for bank #1) is indicating lean at the end of a test is trying to correct for an over-rich condition.
The test fails when the fuel control system no longer detects switching for a calibrated amount of time
lots of possible problems including, but not limited to...
Short to VPWR in the harness or HO2S
Water in the harness connector
Open/shorted HO2S circuit
Corrosion or incorrect harness connections
Damaged powertrain control module (PCM)
Excessive fuel pressure
Leaking/contaminated fuel injectors
Leaking fuel pressure regulator
Low fuel pressure or running out of fuel
Vapor recovery system
Posted on Apr 17, 2010
P0191 is Fuel Rail Pressure Sensor "A" Circuit Range/Performance
P2196 and P2198 are lean bank 1 and lean bank 2. You normally show lean bank codes if the air-fuel ratio is not correct. The most common cause is a hole in the hoses between the PCV valve and the intake on the motor (back of the motor generally). The fuel rail pressure sensor code could either be caused by the vacuum leak or by a failing fuel regulator. I would first check for holes in the rubber hoses especially where there are right angle rubber hose connectors. Look for soft squishy or oily spots on the hoses.
Posted on Aug 14, 2010
p2195 is 02 sensor stuck lean ( bank 1 sensor 1 )--check for a possible vacuum leak in all vacuum lines.-- if no vacuum or other leaks could be egr valve. p2196 is the same but stuck rich,--p0053 is ho2 sensor bank 1 sensor 1 heater resister all codes are related to the o2 sensor, p0113 is intake air tempurature curcuit high input ( IAT ). check wiring or senser replace if need be. if you can not find any leaks and egr system is ok, then its the 02 sensor causeing this.
Posted on Jun 17, 2011
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