Dodge ZB 2005 Service Manual page 1335

STARTING
*START AND STALL CONDITION —
TEST
5 NOTE: For this test to be valid, the thermostat must be operating correctly.
NOTE: This test works best if performed on a cold engine (cold soaked).
NOTE: If the vehicle was allowed to sit over night with no engine start,
coolant temperature should be near ambient temperatures.
Ignition on, engine not running.
With the DRBIII , read the ECT value.
NOTE: If engine coolant temperature is above 82° C (180° F), allow the
engine to cool until 65° C (150° F) is reached.
Start the engine.
During engine warm-up, monitor the Engine Coolant Temperature value. The
temperature value change should be a smooth transition from start up to normal
operating temp 82° C (180° F). The value should reach at least 82° C (180° F).
Did the Engine Temperature value increase smoothly and did it reach at least 82° C
(180° F)?
Yes → Go To 6
No
6 The following additional items should be checked as a possible cause for a start and
stall condition.
Refer to any Technical Service Bulletins (TSBs) that may apply to the symptom.
The exhaust system must be free of any restrictions.
The engine compression must be within specifications.
The engine valve timing must be within specifications.
The engine must be free from vacuum leaks.
The throttle body must be free of carbon buildup and dirt.
Do any of the above conditions exist?
Yes → Repair as necessary.
No
7 Verify that the Fuel tank is not empty before continuing.
Follow the diagnostics for Checking Fuel Delivery in this manual.
Was the No Start condition solved after following the above diagnostic test?
Yes → Test Complete.
No
ACTION
→ Replace the Engine Coolant Temperature Sensor.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
→ Go To 7
→ Check for contamination/water in the fuel. Ensure the fuel being
used in this vehicle meets manufactures Fuel Requirement, refer
to the service manual.
Perform POWERTRAIN VERIFICATION TEST VER - 1.
Continued
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APPLICABILITY
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