I've searched my *** off and found nothing, so here it goes. I recently bought a used ZC for my 91 si and finally got it in. However, it does not start. It turns over just fine and its getting gas. Only no spark. I have replaced the cap/rotor, spark plugs, and plug wires. Checked the distributor wiring multiple times and still nothing. Any help or ideas on what to try next would be greatly appriciated.
Thanks,
Greg

 

check the ecu to see if its throwing any codes and go from there

 

I know you've checked the firing order, but it confussed me when I swapped in the zc because the distributor setup slightly different than the d16a6. Be sure the top left is 1, top right 3, bottom left 2, bottom right 4. Plugs wires from crank pulley, 1 through 4 back to the distributor side. Double check your mechanical timing also

Mechanical Timing

 

main relay?

 

make sure you have the ground at the thermostat housing connected - try switching the 2 white wires at the distributor

 

I'm assuming you've reversed the white wires on the distributor just to be sure? I've done swaps where I've sworn up and down that they were correct, and they weren't.

Also, was this an MPFI to MPFI swap, or a DPFI to MPFI?

 

the firing order is correct and I have swapped the two white wires for the distributor like five times now. But I will check that ground and the ECU for a code. Thanks for all the help.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by poopycar &raquo;</TD></TR><TR><TD CLASS="quote">the firing order is correct and I have swapped the two white wires for the distributor like five times now. But I will check that ground and the ECU for a code. Thanks for all the help.</TD></TR></TABLE>

Test the coil, or just replace it with your old one... ignitor too.