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No vacuum
Came in with no idle, no power, no codes. Fuel pressure at 25psi. Replaced fuel pump and filters. Now we have a healthy 45-50psi. But no idle, no power. Fuel trim at +20, MAP climbs to 4.5 volts. Found vacuum at 5 ". Fouled spark plugs with fuel and carbon. Re... Login to read more. 
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27 Replies Received
27 Replies Received
| Engine | 3.8 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
1997 Buick LeSabre Custom 3.8L
| Engine | 3.8 L |
| Trans | 4-speed Automatic (Electronic) |
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