Who can help me fix my car! Want start

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Old 09-29-2010, 09:08 PM
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Originally Posted by JoeKnowsBaseball
Almost sounds like your crank sensor is bad...
i was thinking the crank sensor the car will start with a bad cam sensor mine did for months till i got tired of turning the key over twice sometimes .
Old 09-29-2010, 11:18 PM
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Did you check the ignition relay?
Old 09-30-2010, 12:21 AM
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Does your temperature gauge work? Might be your map sensor?
Old 09-30-2010, 12:43 AM
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A car will actually start and run fine with no MAP sensor. Took mine in for a tune a long time ago and there was no MAP reading. Was running fine though.
Old 09-30-2010, 06:03 PM
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What king of throttle body u got? Check the gasket, I remember my buddies car was acting similar, what about the mass air ,might wanna get it checked out...
Old 09-30-2010, 06:27 PM
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Originally Posted by Pwebbz28
Did you check the ignition relay?
checked it by replacing the fan relay but still no idle
Old 09-30-2010, 06:30 PM
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Originally Posted by da 2000 RED Z
What king of throttle body u got? Check the gasket, I remember my buddies car was acting similar, what about the mass air ,might wanna get it checked out...
its the stock 98 throttle body. i unplugged the mass air to see if it would idle but it dident so i dont think its the maf. i will look at the gasket. my throttle body does make a weird noise when i turn the key completely off. i dont know what it is or if its always done that
Old 09-30-2010, 06:35 PM
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Originally Posted by JoeKnowsBaseball
Sounds like a problem with spark. If they're covered in fuel, that means you're getting fuel into the cylendar.

Go to autozone and buy a spark plug tester. It should be like a spark plug wire with a "light bulb" that you put between the spark plug and coil. Should only be a couple bucks. If the cylendar is firing, then the bulb will flash at every RPM.

Does the car run at idle without pedaling the gas? Starting to sound like a big intake leak if you're hearing a whistle and it runs rough at idle... Plus if you have an intake leak, the engine will run lean so it will dump in extra fuel to try and even out.
it will sometimes run without putting my foot on but barley, runs like ****. but will usually die right away after firing up. it sounds like its going to idle fires up hard after letting it sit then it take a dump.
Old 09-30-2010, 06:36 PM
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Originally Posted by 02silverstang
i was thinking the crank sensor the car will start with a bad cam sensor mine did for months till i got tired of turning the key over twice sometimes .
anymore info on this? Where is it at?
Old 09-30-2010, 06:55 PM
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What about the idle air control solenoid?
Old 09-30-2010, 07:26 PM
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Originally Posted by Pwebbz28
What about the idle air control solenoid?
where and what is that?
Old 10-01-2010, 12:33 AM
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Idle Air Control is a little solonoid on the throttle body. I think it has two T-20 screws holding it on the top side.... It'll be a cylendar about 2 inches long sticking out the side and when you take it off, it'll have a rod coming out of the cylendar with a cone shapped rubber stopper on the tip.

It's hard to test those without replacing it...

I can't tell you exactly where the crank sensor is, but it's gonna be somewhere near the bellhousing. It will most likely read the flywheel. Not quite sure about these LS1s... I've never messed with one on these cars.

I'd still REALLY like to get some kind of video/sound clip of your car cranking, idling and then giving it gas. Plus the whistling noise would be really helpful to hear. See if you can get one of your buddies or something to figure out how to post it. Try and go through youtube. And don't use a cell phone. They hardly ever work on youtube. Use the newest camera you have access to...
Old 10-01-2010, 06:55 PM
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here is the vid of what it does, runs like **** it should have a smooth idle it has a stock cam

http://www.youtube.com/watch?v=qkQm3EwIwSU
Old 10-01-2010, 07:15 PM
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I spy a SES light on your video. Scan it, it may give you (and us) some insight.
Old 10-01-2010, 08:49 PM
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It's doing that because you're not wearing a seat belt... lol j/k.

Sounds like a really big intake leak... start searching everywhere on the intake system. If you can get a hold of a "smoke machine" like I mentioned before, use that. It will show you instantly where an intake leak is.

If you can get a smoke machine, try forcing a fog machine (like for halloween and stuff) into the intake. Make it as air tight as possible. Also, you could attatch an air hose from a compressor and feel for air coming out of the intake system. I'm trying to be creative here...

Do you have any intake mods? If so, start searching there first.
Old 10-01-2010, 09:04 PM
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definately get a code reader. even someone else's hand held tuner will read codes. you can wind up spending a bunch of money for no reason.
Old 10-02-2010, 12:05 AM
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Have you changed the plugs?
Old 10-02-2010, 01:03 AM
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Im in for cam/crank position sensor.... my ls1 rx7 was doing something similar and the cam position sensor wire fell onto the exhaust and melted.. Anyways, in for the fix.
Old 10-02-2010, 01:32 AM
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I'll say faulty idle control valve, its located on the side of the throttle body, driver side. Hit it a little with the back part of a screw driver and have somebody try to start the engine, if you see any change or it stays running longer, theres your problem.
Old 10-02-2010, 01:50 AM
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Originally Posted by transam5.7lt1
I'll say faulty idle control valve, its located on the side of the throttle body, driver side. Hit it a little with the back part of a screw driver and have somebody try to start the engine, if you see any change or it stays running longer, theres your problem.
Gotta love electronic motors/solonoids. The BMW E46 3 series do that with their fuel pumps and starters lol. If a no-start car comes in, we pull the back seat, get a hammer and pry bar and smack the pump while walking beside the car as someone drives it into the shop. I didn't know you could do that with the idle control valve on f-bods.

The engine dying like it did in the video doesn't seem like idle control vavle to me tho. It's more like an intake leak. You can hear when it dies, it's fighting for it. The idle control vavle usually idles up and down for a little and usually only falls on it face with a load on it, such as A/C turned on. The engine doesn't wanna die and that's what makes me think it's a huge intake leak.



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