i have a 1997 SC400 the starter went out so i changed it and i replaced all the gaskets but now when i go to start the car it acts like its going to run goes up to 1200rpms for a second and then nothing just kills

it has gas i checked all the connections i tried using both keys its getting gas and spark pressing the gas while starting doesnt help

any ideas?

 

there are lots of sensors that u must disconnnect to remove the intake manifold go over your work step by step most of the ones you disconnect are around the IACV

 

Find what you didn't plug back up.... and plug it back up.

As a last resort, the MAF can be bad and when you disconnect the battery and clear the ECU you may figure out you have a bad MAF when the ECU tries to read base settings for the first time from the sensor instead of from the ECU cache.

 

ive gone over it a few times and everything is plugged in so im not sure hmm

i thought maybe the MAF might be bad but then again it was working before and i thought a car would still run without it even hooked up?

im running out of options i have a rental car right now to drive to work because i cant figure out whats wrong with it..... i might be forced to taking it to a auto shop

 

sounds like you got a vacuum leak somewhere... one wrong hose will do this

 

take some carb cleaner and spray it all over the engine bay till you hear the idle change once it does just narrow the sprayed area down till you see whats wrong if i had to guess i would say your grommets or throttle body gasket

 

man i hope this doesnt happen to me... im putting my car back together now after doing my starter on my sc400... let me know if u figure it out that way if it happens to me ill know. i do think its a hose too though. did u realize how many hoses had to come out? damn watta mission

 

Check engine light on?

 

vacuum leak and/or you did not hook something up correctly.....time to TRIPLE....RE-CHECK EVERYTHING you did............

 

the car wont start to see if there is a check engine light on

a vacuum hose thats cracked or broken shouldnt keep the car from running it would just change how it runs


everything is hooked up right i even took it all apart again and put it back together with all new gaskets

ill take the idle control valve out and clean it but if that doesnt work its getting towed to a shop im over it

 

Im glad 98-00 intake manifold its alot easier to take off & less vacuum lines. But thats what is sounds like to me. Cause of the high idle, then nothing.

 

Thats not true about the check engine light. The car doesn't have to start. Turn the ignition on and the check light should go out while all your other lights are on. If it stays on there will be a code stored. Scan it regardless.

 

what high idle? it doesnt start....

its always gone to 1200rpms then it will settle down after starting

 

you said it wont idle at first now you say it wont start at all?which is it?