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I took out the plugs, both banks were wet. Got them clean and fired the engine and it ran for about a minute or two at 500rpm every other time Ive tried to fire it it runs at about 1100rpm then dies. Codes after reset are now 27, 29, it had 31 but it went away, and 71. I have EGR deleted. I...

checked codes again and realized I read it incorrectly. Code 26 so AFR is rich. Good to know pump is working. Could it be fouled spark plugs? Not sure where to start on this one

it almost starts on its own without opening the throttle, slightly tapping gas pedal gives it some juice but ends up not doing much at all.

replaced coil packs Dtc 14 & 15 are both gone, I removed efi after finding spark again and the codes are removed. Now I have code 11 and 16. I got it almost starting I can get it to fire up with and without brake cleaner but it won’t completely start it. Kind of lost right now if I could get...

lots of codes!!! I am seeing 13, 14, 15, and 16. I read a forum on clublexus that stated if the igniters produce weak signal it could cause DTC 14, 15. Still waiting on the new battery. This is wild I appreciate your help

The check engine light just flashes with diagnostic jumped, with jumper wire removed it is solid. I am not able to read any codes I have an in-line spark plug tester

you’re gosh darn right. Got the batt charged up enough to supposedly start the car. I hear the fuel pump kick on and crank the engine but it seems to have no spark. My battery is definitely shot so I have a new one coming Thursday. If it’s not the battery, what would you suggest? Thanks for...

Heading home with a new battery now I didn’t have voltage to start the car. I checked timing via the marks on the cam pulleys. I repainted where correct timing is so I don’t have to removing too much. I will update on if it starts soon!!

I have repaired the broken connector and the CEL has changed. It blinks consistently on and off quickly. Everything I’m finding online it just says it’s something that needs fixed with no clues. Worth to add timing belt is in correct markings when engine is TDC/ 0 degrees on timing cover

Update: Removed random electrical tape on right cam connector, found multiple wires which are corroded green that lead to this unknown connector. The brown and green wire come from the cam connector I will do that test when I get home, thanks for the input. The 6 pin connector that the cam...

Starting this thread back up Replaced camshaft sensor, crank sensor, and crank sensor plug which looked fouled and I still have code 13, I cleaned 1 cam sensor and the code 12 I had went away so I know the left cam is good. Any ideas on where I should go next?

Thanks for the advice Bateman. I found out the ecu wasn’t completely plugged in with the harness (don’t let your friends plug in your ecu) CEL came on and I was able to diagnose cam sensors and crank sensor. Got it on order right now

I have a 95 sc400 that I have rebuilt; broken valve engine will crank and I am sure my grounds are all good. The spark plugs have no spark on either bank and I do not hear the fuel pump engage at all. Starter will crank the engine but it will not fire. The only wiring I have done to the vehicle...

Hey P Bateman I am having the same problem described in the topic, I have no fuel or spark after removing my engine and it will not start. It is a 1995 Sc400. The only wiring I have done to the car is tapping into my ignition switch for my electrical fans