HELP NOT RUNING RIGHT

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02-23-2009, 03:42 PM

#11

JRS98SVTCOBRA

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Join Date: Feb 2009

Location: FLORIDA

Posts: 23

Quote:

Originally Posted by WhiteFoxGT

So is it still losing oil pressure? Sounds like you messed something up, or didnt replace the right bearing. Regardless, spun bearings wont cause stalling..

You're not going to find out much here because you need hands on help.. Nobody can e-diagnose an engine noise by a vague description

I REPLACED ALL THE BEARINGS WHILE I WAS THERE.
BUT THE IDLE PROBLEM WAS THE START OS THE PROBLEM NOT SURE WHAT IT COULD BE MIGHT JUST HAVE TO SEND IT TO A SHOP CUSE I HAVE NO CLUE

02-23-2009, 05:46 PM

#12

livefast1

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Join Date: Jul 2007

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Posts: 2,363

you do know below a certain rpm you can have oil pressure issues/ oil pressure drop. so in all reality there probably wasn't a bearing problem and your iac could be bad causing a very low idle to the point there isn't much oil pressure causing a knock.

02-23-2009, 09:09 PM

#13

JRS98SVTCOBRA

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Quote:

Originally Posted by livefast1

I KNOW THE BEARING WAS GONE FOR A FACT I PULLED IT OUT AND IT WAS SHREDDED.
I KNOW THAT WHEN MY RPM DROPS IT STARTS THE KNOCK CUSE THE OIL PRESSURE GOES NUT'S COULD IT BE THE IAC .

HOW COULD I FIND OUT IF IT IS THE IAC.

Last edited by JRS98SVTCOBRA; 02-23-2009 at 09:17 PM.

02-23-2009, 09:17 PM

#14

Fleet99GT

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Join Date: May 2008

Location: Maryland

Posts: 116

Idle air control, or throttle body bypass valve. It lets air in without the throttle body being open. If it gets clogged you dont get air thus you dont get idle.

02-23-2009, 09:20 PM

#15

Fleet99GT

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Join Date: May 2008

Location: Maryland

Posts: 116

there should be a rubber hose from your intake going into the iac housing on your plenum. remove the hose and the iac valve clean it with some parts cleaner and put it back on. I have to clean mine out about every 30k. I should probbly just get a new one.

02-23-2009, 09:31 PM

#16

JRS98SVTCOBRA

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Quote:

Originally Posted by Fleet99GT

i'll try that in the morning when i get home and let you know thanks .

02-23-2009, 09:33 PM

#17

livefast1

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also alot of times just cleaning it won't work as the electrical motor/actuator side will fail. with the troubles your having i suggest getting a new one.

02-23-2009, 09:41 PM

#18

Fleet99GT

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Join Date: May 2008

Location: Maryland

Posts: 116

Quote:

Originally Posted by livefast1

also alot of times just cleaning it won't work as the electrical motor/actuator side will fail. with the troubles your having i suggest getting a new one.

Yeah probably right about that.

02-23-2009, 09:59 PM

#19

JRS98SVTCOBRA

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Join Date: Feb 2009

Location: FLORIDA

Posts: 23

Quote:

Originally Posted by livefast1

also alot of times just cleaning it won't work as the electrical motor/actuator side will fail. with the troubles your having i suggest getting a new one.

I'LL CLEAN IT AND SEE IF NOT I'LL GET A NEW ONE FUN AS SO FAR EVERYTHING I HAVE HAD TO SPECIAL ORDER GRRRRRRRRRR

02-27-2009, 10:54 AM

#20

JRS98SVTCOBRA

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Join Date: Feb 2009

Location: FLORIDA

Posts: 23

thanks to all for all the help so far
here are the results so far.
cleaned iac
replaced the mas.
now it's running right but at idle it is siting 1 line below 1 grand.
the oil pressure gauge is going nuts and it has a fant knocking to it sound like on the driver side head like a rocker..
any ideas please