Originally posted by Tony2005: P1451 is Lack of Response From Passive Anti-Theft System Module - Engine Disabled.
Might want to look that up again. A P1451 is an open circuit for the CV solenoid.
P0453 is a fault in the fuel tank pressure sensor.
Neither will cause a "no start" condition.
Are we talking a "no crank" or a "cranks but no fire" situation here?
Steve
98 Contour SE Sport 2.5 Duratec ATX The wifey's car
89 Taurus SHO - 246K miles
94 SHO ATX - 190K
1997 F-150 5.4L ATX - The Workhorse 150K.
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