I the Blazer will run then the timing can be checked with a timing light. If not, the there are timing marks on the timing gears that will have to be checked to see if the timing jumped.
1996 Chevy blazer timing chain
The 96 Chevy Blazer does not have a timing belt.
How do you set the timing on a 2000 Chevy blazer (V6)
how do you set the timing on a distriubtor for a 2002 Chevy blazer
If the timing chain has jumped time, the vehicle will run rough or not at all. You will need to check the time with a timing light to see if it is off.
The 4.3 litre V6 engine in a 2003 Chevrolet Blazer has a timing CHAIN
no it has a timing chain
You will know if your car has jumped timing by the way it starts up. If the engine is slow and sluggish, it could be a sign of jumped timing. Also listen out for strange noises coming from the engine or if it backfires, it is likely that there has been a change in the timing sequence.
Your 1999 Chevy blazer doesn't have a timing belt.
The 2003 Chevy Trailer Blazer doesn't have a timing belt.
if your timing belt jumped one tooth or timing belt was installed incorrectly you will be out of sync also a defective timing belt tensioner will cause sync problems
Incorrect timing, or timing has jumped.