sr20det problems/ s13 application. SPARK?

[sLiDewAys]

my partner and i have been doing swaps the past few months for customers, each and every one has been flawless besides most of the test tune prodcedures. we recently put a sr20det redtop motor in a customers 89 base hb. swap went smoothe, wiring had already been done and the car fired isntantly after a quick prime. He brought hte car back the next day for us to rire up his elec. fan and we did so. a couple days later he calls back telling us that the car wont turn over.? Batery dead i suppose so he got the car down to us and we replaced the battery and the altornator with ka24e unit. after installation car would not fire.. just turns but no fire. we went through some diag and came out with nothing. this is out 6th sr swap, 1st ca swap and 2ka swap and we have never ran into any problems like this before.

does anyone have any suggestions to what we can do to solve the problems. any helps is well appreciated. thank you.


brandon

[massscene]

did you replace the plugs? My car would start after swap until i put new plugs in it.

[sLiDewAys]

thing is.. the car drove for about 2 days give or take a few hours. he drove it to our place to replace the altornator. we've gone thru plenty diag without any results......plugs were replaced prior to motor swap....im thinking power transistor but it has to be ignition fault..

[kazuo]

Brandon,

Did you try testing the coil packs? Ignitor? Related wiring?

Could be something went bad, could be something in the harness, something shorting.

That's my guess.

Any codes on the ECU?