![]() The EZ30R had a direct ignition system with an individual ignition coil for each cylinder (i.e. ![]() Check the coolant level in the reservoir. This is often overlooked and is a simple fix. EGR valve, if stuck open over 60% can cause a no start. Some performance air intake systems will set EGR and MAF codes (they affect MAF right?). If either one is shorted to ground, remove the high pressure fuel pump cover and replace the pump cover gasket/harness that contains the grounded wire ONLY. If the FICM has low voltage it will often cause a hard start and rough run when cold, but the problem may clear up as the engine warms. Use the following information regarding common diagnostic trouble codes in addition to the normal diagnostic procedures outlined in the service manual or technical service bulletins. This can keep the regeneration system from cleaning the particulate filter, which will cause smoke and a lack of power. ![]() The 2003 and early 2004 engines seem to have more of a tendency to crack heads. ![]()
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