Trouble starting. when i try
Not being aware of maintenence of your vehicle, I can only give you some typical things that may cause this. Fuel relates issues,Measurement of intake air through the air mass meter of the hot wire type
Use of a separate cold start valve that supplies extra fuel, at or below 60F (16C)
Knock controlled fuel enrichment system
Engine speed taken from an inductive transmitter on the flywheel
Lambda probe (oxygen sensor) providing oxygen content of the exhaust gases
EVAP system to minimize evaporation from the fuel tank
Three-way catalytic converter
Several sensors feed the control unit information to precisely control fuel injection. To accomplish this, the control unit evaluates: exhaust gas oxygen content from the oxygen sensor (Lambda-sond), engine RPM and crankshaft position information from the ignition system control unit (if information is not received, the fuel system control unit will not function), engine temperature from the coolant temperature sensor, engine load information from the air mass meter, information from the throttle switch, which indicates if the throttle is closed or wide open, electrical system voltage from the battery current and signals from the A/C switch and clutch, indicating whether they are operating.
The LH fuel system is characterized by the following:
Also there is the actual ignition system to check out.Do you have good spark at all of your plugs and what condition are your plugs.
Fuel pressure plays a big role although there sensors involved after correct pressure is met to determine proper fuel injected.
If you would like more information pertaining to sensor parameters please let me know.
Volvo 760 Cars &...
on Dec 01, 2009