my 86t zx w ont start?
 

:107:

my z was sitting 5 years ......and collected dust and corrosion
5 years ago my engine running like new
now she refuse to start , cranking but not running
so i put 1000$ on engine to do a big tune up
replace:
head gasket and found coolant leak (fix)
replace timming belt and water pump (fix)
replace distributor/cap/wiring/spark plug (fix)
checked for cracked engine block...none found
intake gasket replaced
checked injector as per fsm


now i work on my wiring harness in engine bay trying to found an issue
somebody can give me an idea? of what to check then

:073:

Welcome to ZDriver!

An engine needs 3 things to start:
-Proper fuel
-Proper spark
-Proper compression

Are you getting spark to all cylinders? Are all injectors firing? Fuel pressure?

like you said i need tree things to start an engine
so the compression is good 150 to 160 psi
the fuel pump work well ..i can hear running for somes second and stop automatically
the injector look good to by mesuring the resistance
about the spark i have spark at the lead one but didnt check at all spark plug , i will do that
i changed all ignition parts related so maybe one parts still not work again
i notice my radio and climate control suddenly not working i mean no power at all...
so i guess its a short or bad connection somewhere ??? maybe the ignition switch issue?


thank a lot!

put a fuel pressure gage in the system between the filter and the fuel ring. watch what happens to fuel pressure when you try to start. check your fusible links and all fuses for power issues.

get the fsm from xenonzcar free download.