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cracks/damage Ignition coil failure(s) Harness
Difficult to start
Difficult to start cold
Check coolant anti-freeze content Battery CKP sensor EGR valve stuck open Fuel pump Coolant temperature sensor Purge valve
For battery information, Battery For CKP sensor tests, GO to Pinpoint Test G258127p17. For EGR system information, Engine Emission Control - VIN Range: G00442->G45703 For fuel system, Fuel Charging and Controls - VIN Range: G00442->G45703 For ECT sensor tests, GO to Pinpoint Test G258127p3. For evaporative emissions components, Evaporative Emissions - VIN Range: G00442->G45703
Difficult to start hot
Injector leak Fuel temperature sensor IAT sensor MAF sensor Purge valve Fuel pump Ignition system Coolant temperature sensor
For fuel system, Fuel Charging and Controls - VIN Range: G00442->G45703 For fuel temperature sensor tests, GO to Pinpoint Test G258127p34. For IAT sensor tests, GO to Pinpoint Test G258127p2. For MAF sensor tests, GO to Pinpoint Test G258127p1. For evaporative emissions components, Evaporative Emissions - VIN Range: G00442->G45703 For ECT sensor tests, GO to Pinpoint Test G258127p3.
Difficult to start after hot soak (vehicle standing after engine has reached operating temperature)
Injector leak Fuel temperature sensor IAT sensor For fuel system, Fuel Charging and Controls - VIN Range: G00442->G45703 Fuel Charging and Controls - VIN Range: G45704->G99999 For fuel temperature sensor |