Hey guys! I recently took apart my 93 940 cause a hose broke. Now as I put it together it only runs for 30 seconds then dies out. It ran prior but with a misfire and I think a 1.3.1 code for fuel. Vacuum is good while running and no misfire. I took off the fuel line and cycled the key three times and about a cup of fuel discharges. Fuel pressure regulator holds vacuum as well. All sensors hooked up as well I know it’s not something I missed.
New parts:
Fuel pre pump
Coolant temp sensor
All new vacuum lines
intake and boost hoses
ignition cap+ rotor
spark plugs
Throttle body gasket
Clean throttle body
Thermostat+ housing
Any help would be very much appreciated!
93 Volvo 940 starts, runs for 30 seconds, then dies
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Sharpcheddar
- Posts: 1
- Joined: 25 July 2020
- Year and Model: 1993 Volvo 940 2.3 t
- Location: WI
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RickHaleParker
- Posts: 7129
- Joined: 25 May 2015
- Year and Model: See Signature below.
- Location: Kansas
- Has thanked: 8 times
- Been thanked: 958 times
Fuel pressure holds ... vacuum?
Connect a fuel pressure gauge to the fuel rail and watch the fuel pressure as it runs.
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1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package.
2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000.
2004 S60R, B8444S TF80 AWD. Yamaha V8 conversion
2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0.
1998 C70, B5234T3, 16T, AW50-42, Bosch Motronic 4.4, Special Edition package.
2003 S40, B4204T3, 14T twin scroll AW55-50/51SN, Siemens EMS 2000.
2004 S60R, B8444S TF80 AWD. Yamaha V8 conversion
2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0.
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