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surge, rich run, real world fp reading
tps .52 @idle, maf .6-.7 gp/sec @idle. pulled ecm connectors and looked at case, no signs of water. coolant and air temp ok. o2s run .8-9 at idle, confirmed runs rich. fuel pressure spec is 60-66 psi, ours run at 55lbs steady. never drops, even going down road... Login to read more. ![]()
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| Engine | 5.7 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2000 GMC Savana 2500 5.7L
| Engine | 5.7 L |
| Trans | 4-speed Automatic (Electronic) |

6 Replies Received
6 Replies Received