What to do with Detroit engine SPN 3480?
Start the engine. Using DiagnosticLink, perform the “Purge Hydrocarbon Doser” service routine. Review the log file for the “Purge Hydrocarbon Doser” service routine. Monitor the fuel compensation pressure when the fuel cut off valve is commanded to 100 percent.
What should fuel compensation pressure be on 2010 Columbia?
Using DiagnosticLink, perform the “Purge Hydrocarbon Doser” service routine. Review the log file for the “Purge Hydrocarbon Doser” service routine. Monitor the fuel compensation pressure when the fuel cut off valve is commanded to 100 percent. Is the fuel compensation pressure greater than 68 kPa (10 psi)?
Is the exhaust of a 2010 Columbia toxic?
Engine exhaust is toxic. NOTE: HC doser fuel supply pressure control valve inspection procedures are the same for two- and three-filter systems. During parked regeneration the exhaust gases will be extremely HOT and could cause a fire if directed at combustible materials. The vehicle must be parked outside.
Is the SPN 27 FMI 14 code active or pending?
After repairs are complete, retest for SPN 27 FMI 14. Step 2 Check for active or pending fault codes. Decision Use EST with Navistar® Engine Diagnostics. Key ON Engine OFF (KOEO), check DTC list for SPN 27 FMI 14. Yes: Go to Step 3. Is SPN 27 FMI 14 active or pending? No: Repair active fault codes.
What is the Suspect Parameter Number ( SPN )?
The Suspect Parameter Number (SPN) is diagnostic fault code terminology found on some Caterpillar ® products using a J1939 CAN data link.
What are the SPN codes for exhaust gas?
• SPN 27 FMI 3, 4, and 7 (EGR) • SPN 2791 FMI 2, 3, 4 and 7 (EGR) Fault Facts None Drive Cycle to Determine Fault Status Continuous Possible Causes EGR valve unable to seat closed Stuck or sticking EGR valve Step 1 Check for associated fault codes. Decision