P026D

Fuel Injection Quantity Higher Than Expected - US14 OBD15 Emissions

NHTSA 10215336 ↗ NHTSA 10215342 ↗

Fuel Injection Quantity Higher Than Expected

NHTSA 11004883 ↗

Fuel Injection Quantity Higher Than Expected

NHTSA 10225258 ↗

CHEVROLET, GMC

This Preliminary information communicates to the dealer technician that DTC P026D is under investigation.

CADILLAC, CHEVROLET, GMC

This technical bulletin provides a procedure to test the intake manifold for any possible leaks that may cause the customers concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P0172, P026D, P2459, and/or P2A00 Set.

JEEP

"Malfunction Indicator Light (MIL) Due To Possible Faulty O2 Sensor **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):** ● **P026D - Fuel Injection Quantity Higher Than Expected. ● P0133 - O2 Sensor 1/1 Slow Re…

CHEVROLET, GMC

This technical bulletin provides repair information to correct a customer concern of Check Engine Lamp Illuminated with DTC P026D Set, Engine LWN Controller E98 Update.