Rick's Free Auto Repair Advice

Stall or hesitation on GM vehicles

Service bulletin PIP5529 addresses stall or hesitation on GM vehicles

GM has issued a service bulletin PIP5529 to address a stall or hesitation on GM vehicles listed below and these possible trouble codes

P0068 Throttle Body/Intake Air Flow

P0101 Mass Air Flow (MAF) Sensor

P0106 Manifold Absolute Pressure (MAP) Sensor

P0131 HO2S

P0137 HO2S 2

P0171 Fuel Trim System

P0324 Knock Sensor/Knock Sensor Processor

P0326 Knock Sensor/Knock Sensor Processor

P0331 Knock Sensor/Knock Sensor Processor

P0506 Idle Speed Low/High

P2097 Post Catalyst Fuel Trim System

Vehicles Affected by PIP5529

2016-2017 Buick Envision LCV LTG Engines, All VINS

2014-2017 Buick Regal  LTG Engines, All VINS l

2013-2017 Cadillac ATS LTG LCV Engines, All VINS

2016-2017 Cadillac CT6  LTG Engines, All VINS

2014-2017 Cadillac CTS  LTG Engines, All VINS

2016-2017 Chevrolet Camaro  LTG Engines, All VINS

2015-2017 Chevrolet Colorado LCV Engines, All VINS

2013-2017 Chevrolet Malibu LCV LKW LTG Engines, All VINS

2014-2017 Chevrolet Impala  LCV LKW Engines, All VINS

2017 GMC Acadia LTG Engines, All VINS

2015-2017 GMC Canyon  LCV Engines, All VINS

Service bulletin PIP5529 fix for stall or hesitation on GM vehicles

GM has discovered that loose intake manifold bolts may the cause of a stall or hesitation in the above mentioned GM vehicles. First check for trouble codes, you may find any of the above listed trouble codes because they all relate to intake air. If you can’t find a problem associated with the trouble codes, inspect the torque on the intake manifold bolts. Torque to spec if they are loose.

Posted on by Rick Muscoplat

Custom Wordpress Website created by Wizzy Wig Web Design, Minneapolis MN