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hey guys after all the heavy rain my 2004 350gt coupe wont rev past 2500rpm, it has a nismo cai and when i got the car home i noticed it was soaked, any ideas what to do?

sounds like a air flow meter issue, usually when theyre unplugged it wont rev past 2500rpm, i suggest taking off air flow meter, making sure its dried out really good, maybe blow some air through it, light coat of wd40 on the termnials and plug it back in, see if it helps ! Check your air filter too, if it got drenches its probly clogeed itself :D

Edited by Silver_GT

yea, if its waterlogged doubt that the car will start at all.

I suggest taking Chris's advice and take out your MAF ...clean it with some contact cleaner and let it dry.

+1 AFM, ecu is in limp mode and AFM is usual cause.

Clean with alcohol based material first, then WD as a future inhibitor. you may want to clean the circuit inside, be careful not to break anything in it, and DO NOT spray WD on the element it uses to measure airflow.

R35 VR38DETT front cut?

sorry...

If that thing was hydrolocked, he'd know about it.

At any rate, this is exactly why you don't install a low-hanging cold air intake. If you want to do it properly, get your cold air in from the scuttle panel or somewhere relatively high.

hey guys after all the heavy rain my 2004 350gt coupe wont rev past 2500rpm, it has a nismo cai and when i got the car home i noticed it was soaked, any ideas what to do?

Wait until it drys then clean it with a filter cleaner. Any brand i guess you can use. I've only used K&N.

Then you might have to do a Throttle Body reset.

If it is still not working right clean out and dry your Throttle body and Plenum.

If you have tried all this and it still doesn't work take it to your mechanic and get him to look and diagnose the problem so it can be fixed right.

reset the ecu and it revs now but it doesnt pull very hard at high rpm. I am thinking it is time for a rebuild.

Wow a rebuild. Keen

rebuild... yeh that'll work!

do not let water into the intake.... use contact cleaner on all MAF and dry air filter.

water and the internal combustion engine do not mix... you can destroy an engine, but you would know if that happened

need to reset ECU too

reset the ecu and it revs now but it doesnt pull very hard at high rpm. I am thinking it is time for a rebuild.

If you are running out of puff, your air filter may be dirty and not letting enough air through... especially if it got a little dirty when it was wet.

Try putting on the stock intake with a new filter or if your car only came with the Nismo option, just remove the pod and give it a squirt up the street.

If you have power at high revs, you know it is the filter which will either need a proper clean or replacement... rebuild is probably jumping the gun a bit.

Yeah my mechanic said that there was coolant leaking from the head when i got it, so i took it back to the dealer to get it fixed, they said they tightened the head bolts what a joke, then i took it back again cause coolant was still pissing everywhere and they "replaced the pipe to the radiator" which i reckon is a load of BS, i think they put engine seal up in the thing cause it hasn't been the as good as it used to, i might try a different MAF, get some new spark plugs and the injectors cleaned, anyone know if it i had a compression test done weather it would show weather or not they put engine seal up in?

Yeah my mechanic said that there was coolant leaking from the head when i got it, so i took it back to the dealer to get it fixed, they said they tightened the head bolts what a joke, then i took it back again cause coolant was still pissing everywhere and they "replaced the pipe to the radiator" which i reckon is a load of BS, i think they put engine seal up in the thing cause it hasn't been the as good as it used to, i might try a different MAF, get some new spark plugs and the injectors cleaned, anyone know if it i had a compression test done weather it would show weather or not they put engine seal up in?

a fix for coolant leaking from the head is not tightening the head... unless it is a water fitting that is leaking, the head needs to be removed in most cases.

if the top radiator hose is leaking, then you can replace that and if it is new, you should be able to tell.

if your not sure... you need a second opinion and fast, your mechanic said it was leaking but from where? what did he suggest that the dealer should do?

if it was me, I would start taking a log of what they said they did and go and see a trusted mechanic for their opinion.

if it is still leaking, it sounds like you have a cracked head, but they do not normally leak outside the engine block, but that will make it run like a bucket of crap and can cause fairly major issues.

if your not sure what is going on you need some help.

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