Supra won't start!!!!!!!!

Cameroonski · 05-03-2010, 11:11 PM

Yes he was correct when he said check B+ and Fp on the diagnostic box. Just take a wired and connect the two. If you hear the fuel pump relay make a sound (other side of the engine compartment) and fuel goes through the system, your pump is good.

Things that have to do with that system are the EFI relay (the grey round one on the top right of the junction box i believe) and the EFI fuse (bottom left 15 amp i think). If you still are not getting fuel with all of those things working then get back to me... cuz ive had the hardest EFI system trouble the last few weeks and could tell you almost anything about that system.

Also, pull out a spark plug, plug it into its case... spark plug wire or whatever its call, lol. Then hold it to the engine block while you crank the engine. You should see a spark on the end of the spark plug, if not your problem is in the ignition system.

Hope this helps!

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05-03-2010, 11:11 PM	#7
Cameroonski 3" Exhaust Join Date: Dec 2009 Location: Austin, Tx Posts: 68	Yes he was correct when he said check B+ and Fp on the diagnostic box. Just take a wired and connect the two. If you hear the fuel pump relay make a sound (other side of the engine compartment) and fuel goes through the system, your pump is good. Things that have to do with that system are the EFI relay (the grey round one on the top right of the junction box i believe) and the EFI fuse (bottom left 15 amp i think). If you still are not getting fuel with all of those things working then get back to me... cuz ive had the hardest EFI system trouble the last few weeks and could tell you almost anything about that system. Also, pull out a spark plug, plug it into its case... spark plug wire or whatever its call, lol. Then hold it to the engine block while you crank the engine. You should see a spark on the end of the spark plug, if not your problem is in the ignition system. Hope this helps!