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Backpressure
Just aquired a handy dandy exhaust BP gauge and am scratching my head on the very first [...] this truck has a partially clogged cat we hooked it up for a quick [...] 3000 RPM it runs right around 2 [...] sound to far off from what Ive read so I decided to roa... Login to read more. ![]()
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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 23 Replies Received (View Replies)23 Replies Received (Hide Replies) |
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| Engine | 4.3 L |
| Trans | 4-speed Automatic (Electronic) |
| Symptoms | Mil Lamp On |
Vehicle Data
2003 GMC Sonoma SL 4.3L Mil Lamp On
| Engine | 4.3 L |
| Trans | 4-speed Automatic (Electronic) |
| Symptoms | Mil Lamp On |

23 Replies Received
23 Replies Received