AWD - No Start
                    

Volvo AWD 850 Forum

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No Start 850

If you DO NOT have spark or fuel, you may want to check the RPM sensor, a.k.a. Crankshaft Position Sensor. This sensor is a permissive; during a start, the engine must attain at least 2500 RPM, at which time this sensor will send a signal permitting fuel and spark. If it is defective and does not send the proper signal, you can crank all day, and nothing will happen.

It is located at the rear of the engine block at the top of the flywheel on the transmission bell housing.

If this unit is defective, it should set a code.

CODE Fenix 5.2 System
The Fenix 5.2 system is used on the 10 valve non turbocharged 850

PROBABLE CAUSE for Volvo vehicles
1-3-1 Ignition System RPM signal
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Dave in Virginia; 1998 V70 T5(M): IPD MOTRONIC+ ECU Upgrade, Sport Muffler, IPD Strut Tower Brace; VDO Boost Gauge, IPD Anti-Sway Bars, Rocha ABS Control Unit, Koni FDS Struts and Shocks/// 1988 245 DL Wagon// 1967 MGB Roadster




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18446744073709551615 No Start [850]
posted by  Stickbuilder  on Wed May 13 09:17 CST 2009 >


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