|
1996 GMC K2500 Sierra SL 6.5L No Boost
This 6.5 intermittently has no boost and sets the code P1656. Has good vacuum to wastegate solenoid and the lines are in good condition. The wastegate actuator holds vacuum and the wastegate seems to move freely. I have replaced the solenoid, suspecting it mig...
FIX posted 4/14/2015
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle 7 Replies Received (View Replies)7 Replies Received (Hide Replies)
|
Message Closed w/FIX
|
7 Replies Received
7 Replies Received
Related Documents & Media | VIN | 1GTGK29F3T |
| Engine | 6.5 L / 8 cyl / DIESEL |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / Dsl. EFI |
| Emissions | OBD-II Compliant |
| Symptoms | No Boost |
| Occurs | Intermittently |
Trouble Codes
| P1656 | PCM To VSA Unit Signal Line Circuit Malfunction |
Message Closed w/FIX
Vehicle Data
1996 GMC K2500 Sierra SL
| VIN | 1GTGK29F3T |
| Engine | 6.5 L / 8 cyl / DIESEL |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection / Dsl. EFI |
| Emissions | OBD-II Compliant |
| Symptoms | No Boost |
| Occurs | Intermittently |
Trouble Codes
| P1656 | PCM To VSA Unit Signal Line Circuit Malfunction |
Video