|
Re: P1133,P1153:Insuficent Switching
Checked TIS web and latest calibration is already loaded to PCM. What can we tell about light Brown color in Oxysgen Sensor element. Removed plug and see the color [2007 Chevrolet Suburban 1500 LS, Ignition Photo] What can we conclude about how this engine is ... Login to read more. ![]()
iATN Members:
Login to read this message and participate Auto Repair Pros: Join iATN to read this message and others Vehicle Owners: Find a nearby iATN member to repair your vehicle 1 Replies Received (View Replies)1 Replies Received (Hide Replies) |
Copyright ©1995-2026 iATN. All rights reserved.
iATN® is a registered trademark of the International Automotive Technicians Network.
iATN® is a registered trademark of the International Automotive Technicians Network.

1 Replies Received
1 Replies Received