How to start my engine after engine swap
10

Asked by Steven Jan 06, 2020 at 12:23 PM about the 2003 Chevrolet Suburban 1500 RWD

Question type: Maintenance & Repair

I have a 2003 Suburban and I swapped engines
ones I got it in I could not get the coils to fire so the
Suburban want start. What should I do?

1 Answer
26,810

oilyspill answered 4 years ago

Battery has a full charge? All battery cables/connection all good? Engine grounds/chassis grounds all good? Did you check to see if computer awake? One way to check is to turn on the key, check for a ref voltage at any sensor that uses a ref voltage. If no ref voltage, the computer isn't awake, check voltage and ground circuits for computer. Pink wire at ignition coil is primary voltage and fuse protected, key on. Use a test light to check. Any applicable trouble codes?

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