'98 With No Spark, Autozone Can't Test Module

[CHVYPWR]

Background on the truck: '98 K1500, 350, replaced both heads last week, complete tune-up including fuel filter 8,000 miles ago. Milage is 228,000.

 

On the way to work this morning and it started sputtering and losing power. At first id didn't respond to the increase in gas pedal, then slowly straitened out cyl by cyl, then ran fine the rest of the way. I got to work, shut it off, then restarted it without issue. 12 hours later I try to start and it just cranks. Checked for spark and nothing. It has power to the coil. I took the ing module to Autozone and it's not listed in their book. The guy said some of the newer ones can't be tested Is this true??

 

Does this sound like an ignition module problem? Can it be tested somewhere? Possible connection issue with any certain part involved with the head swap? Ideas I should look into?

 

Tim

[Spdfrkss]

Background on the truck: '98 K1500, 350, replaced both heads last week, complete tune-up including fuel filter 8,000 miles ago. Milage is 228,000.

 

On the way to work this morning and it started sputtering and losing power. At first id didn't respond to the increase in gas pedal, then slowly straitened out cyl by cyl, then ran fine the rest of the way. I got to work, shut it off, then restarted it without issue. 12 hours later I try to start and it just cranks. Checked for spark and nothing. It has power to the coil. I took the ing module to Autozone and it's not listed in their book. The guy said some of the newer ones can't be tested Is this true??

 

Does this sound like an ignition module problem? Can it be tested somewhere? Possible connection issue with any certain part involved with the head swap? Ideas I should look into?

 

Tim

 

 

I have a 91 gmc k1500 and it did the same thing to me, except the truck was running fine, the next morning i went out to start the truck and nothing... tested everything and found i had no spark.. turned out the be the module inside the distrbutor, changed it out and it started up and runs.. So i would change the module, especailly with the mileage you have on your truck..

 

I hope this helps

[ChevyTech007]

Could be the cap and rotor or coil wire. I would check for spark at the coil post. If you do not have spark there, it probably is the module. If you do have spark at the coil post the problem is either cap rotor or coil wire.