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2003 Chevrolet Suburban 1500 LS 5.3L No Start
Posted to GM Driveability on 6/25/2009 18 Replies

I have this 2003 chev. suburban with a 5.3l, this truck will not start unless you wait 3 to 5 seconds for the fuel pump to build pressure, if you wait longer then that the pressure drops to 0 in almost 30 sec. Also if you go to start the truck right away befor...

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  Related Documents & Media  2003 Chevrolet Suburban 1500 LS

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Suburban 1500 LS

VIN 3GNFK16Z63
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / flex fuel system
EmissionsOBD-II Compliant
SymptomsNo Start
OccursIntermittently

Trouble Codes

P0430Catalyst Efficiency Below Threshold (Bank 2)
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Suburban 1500 LS

VIN 3GNFK16Z63
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / flex fuel system
EmissionsOBD-II Compliant
SymptomsNo Start
OccursIntermittently

Trouble Codes

P0430Catalyst Efficiency Below Threshold (Bank 2)