i need the ignition timing for the 2003 chevy express g1500 4.3l. on 2003 Chevrolet Express 1500

i change the engine and it drove for a week without problems and suddenly just turned off. it cranks but would not start. tried for ground, compression and fuel pressure.

by in Bridgeport, CT on February 17, 2013
1 answer
ANSWER by , February 17, 2013
check for spark