× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2005 Pontiac Montana SV6 3.5L Poor Idle Quality, Surge, Cuts out, MIL Lamp on
Posted to GM Driveability on 10/19/2010 6 Replies

Van came in barely running stalling and hard to start ..scanned and had codes for map sensor and reference voltage ..replaced map sensor ..runs like a charm ..but the ses lite is back on and have code PO641B 5 volt refference 1 circuit .... checked the referen...

6 Replies Received (View Replies)

  Related Documents & Media  2005 Pontiac Montana SV6

 
Message Closed w/FIX

car Vehicle Data

2005 Pontiac Montana SV6

VIN 1GMDU23L05
Engine3.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Cuts Out, MIL Lamp On
Message Closed w/FIX

car Vehicle Data

2005 Pontiac Montana SV6

VIN 1GMDU23L05
Engine3.5 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, Cuts Out, MIL Lamp On