so i was on the dyno today. after the second pull, which was smooth as can be. i let the car idle 30sec and turned it off. after about 15min of letting cool down before the next pull, i went to start it again and it started but sounded like it had a bad miss. then it died. started again, and gave it gas but that did not help.

after numberous more tries it still would not start. it has spark, fuel, in time.
i did a compression test, and came away with not so very good numbers at all
85, 105, 115, 150

now i know that compression is horrible, but it should still be firing. and it's not.
it gets fuel for sure, cause each plug is wet. and the spark seems kinda dull orange. but i used a friends distributor and it still would not fire.

the ecu is ok. i did get 2 CEL's on the dyno, TPS and o2 heater. i cleared both of those, but still nothing. i'm at a loss here. i can deal with the low compression, as long as it still starts and is mobile.

any suggestions?

-Robbie

 

what fuel injectors are u using?
maybe one is stuck open.

happened to mee and it only ran on 3 cylinders and sounded like ****,

also maybe a leakdown test?

 

i have RC 750's

the car wont even fire on any cylinders, let alone start

 

check all your grounds. check your timing belt, ensure that nothing jumped a tooth. but you need 4 things, timing, compression, spark and fuel. you have fuel, spark, weak compression.

 

i know. i checked the timing belt. it is perfect.
that's why i'm utterly stumped.
fuel
spark
compression(weak)
timing.

i have it all

it ran and idled fine on my 2nd pull. i changed nothing between that and the 3rd pull. and now that's where i'm at