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Home >> Ford >> 2000 >> Taurus LX, 3.0 2, AX4N >> Repair and Diagnosis >> External Pages >> Different car >> Section 379 (Engine Controls - Symptom Charts (Except Diesel & Hybrid)) >> Step 3: No Diagnostic Trouble Codes (DTCS) Present Symptom Charts >> Chart 3

Chart 3

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NOTE: An extended crank because of a no start may load the exhaust system with raw fuel, damaging the catalytic converter after the engine starts. For vehicles equipped with a secondary air injection (AIR) system, carry out the following after the no start concern is repaired: Disconnect the electric AIR pump relay, run the engine until the surplus fuel is used up, and connect the relay (disconnecting the relay may set a continuous memory PCM DTC that needs to be cleared).
SYSTEM/COMPONENT REFERENCE (PINPOINT TESTS -- GASOLINE MODELS unless noted)
Add-on Anti-Theft Devices Visual. CHECK with the customer.
Fuel/Ignition For LS, GO to Pinpoint Test KB . For all others, GO to Pinpoint Test A .
Intake Air System (for vehicles equipped with an IAC valve). If the engine will not start at closed throttle, but will start and run normally at part throttle, check the IAC valve. GO to Pinpoint Test KE .
Exhaust System Restrictions GO to Pinpoint Test HF .
Base Engine REFER to the appropriate ENGINE article .
Additional Testing GO to Pinpoint Test Z .