Chrysler 2005 Crossfire SRT6 Service Manual page 2285

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(P0301) CYLINDER #1 MISFIRE (CONTINUED)
12.
RESTRICTED FUEL SUPPLY LINE
WARNING: THE FUEL SYSTEM IS UNDER A CONSTANT PRES-
SURE (EVEN WITH THE ENGINE OFF). BEFORE TESTING OR
SERVICING ANY FUEL SYSTEM HOSE, FITTING OR LINE, THE
FUEL SYSTEM PRESSURE MUST BE RELEASED.
Turn the ignition off.
Raise vehicle on hoist and disconnect the fuel pressure line at the fuel
pump.
Attach a fuel pressure test gauge.
Turn the ignition on.
With the DRB III , actuate the Fuel Pump Relay and observe the fuel
pressure gauge.
Note: Fuel pressure specification is 3.7 to 4.2 bar (54 to 61 psi).
Is the fuel pressure within specification?
Yes >> Repair or replace fuel supply line as necessary.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
No >> Go To 13
13.
FUEL STRAINER
WARNING: THE FUEL SYSTEM IS UNDER A CONSTANT PRESSURE (EVEN WITH THE ENGINE OFF).
BEFORE TESTING OR SERVICING ANY FUEL SYSTEM HOSE, FITTING OR LINE, THE FUEL SYSTEM PRES-
SURE MUST BE RELEASED.
Turn the ignition off.
Remove the and inspect the Fuel Strainer.
Is the Fuel Strainer plugged?
Yes >> Replace the Fuel Strainer. (Refer to 14 - FUEL SYSTEM/FUEL DELIVERY/FUEL FILTER - REMOVAL).
Perform POWERTRAIN VERIFICATION TEST - VER 2.
No >> NOTE: Before continuing, check the Fuel Pump Module harness connector terminals for corrosion, dam-
age, or terminal push out. Ensure the ground circuit is operating properly. Repair as necessary. Replace
the Fuel Pump. (Refer to 14 - FUEL SYSTEM/FUEL DELIVERY/FUEL PUMP - REMOVAL).
Perform POWERTRAIN VERIFICATION TEST - VER 2.
14.
FUSED IGNITION SWITCH OUTPUT CIRCUIT
Turn the ignition off.
Disconnect the Coil On Plug harness connector.
Note: Check connectors — Clean/repair as necessary.
Turn the ignition on.
Using a 12-volt test light connected to ground, probe the Fused Igni-
tion Switch Output circuit at the Coil On Plug harness connector.
Does the test light illuminate brightly?
Yes >> Go To 15
No >> Repair the Fused Ignition Switch Output circuit for an
open.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
ENGINE - ELECTRICAL DIAGNOSTICS 9 - 361