check the knock sensor if that's not it try the electronic spark control moduel
try the moduel
TRY IGNITION CONTROL MODUEL. THAT WOULD BE A GOOD GUESS.
Where is the electronic spark control located a 1995 Chevy Tahoe
how much does an electronic spark control cost on a 1989 Buick? I just want a price!!!!!!!!!!!!!!!!!!!!!!
1984-1992 v6 late model under seat black box connected to computer if you are lookinf for (ECM) electronic control module. 1992 v8 is in same place ..driver side
electronic spark modulator bad.
I believe in 93 they had the newer style computer, this eliminated the electronic spark control module.
ESC stands for Electronic Spark Control it may also stand for Electronic Stability Control. The Electronic Spark Control module will retard the timing if it detects any spark knock or pinging or even other similar sounds made by the engine such as lifter knock.
Right next to the gas moduale
Platinum spark plugs, 100K. Standard spark plugs, 50K.
try a new ignition moduel!!