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Old 06-23-2005, 09:29 PM   #1
poifect
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Sad changed plugs in my sc1 now no start

changed the plugs in my sc1 1997 car ran for a couple of days now it is not starting at all smells as if it is flooding oil smells of fuel car turns over but does not start please I need help

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Old 06-23-2005, 09:55 PM   #2
dansl2
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Default Re: changed plugs in my sc1 now no start

Work backwards from plugs-figure those are good, but pull one or two to check to see. Check wires, Then check for spark, check coil packs. Check fuses, etc....

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Old 06-23-2005, 11:33 PM   #3
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Default Re: changed plugs in my sc1 now no start

what brand of plug did you use? what gap?

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Old 06-24-2005, 01:03 AM   #4
Noobsaturndude
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Default Re: changed plugs in my sc1 now no start

yea also did you do each plug one at a time as not to mess the fireing order up? but I would check the gap I belive its suposed to be gaped at .40 but im not 100% sure if thats right. also did you change anything else or just the plugs?

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Old 06-24-2005, 01:20 AM   #5
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Default Re: changed plugs in my sc1 now no start

Gap is .040". Firing order should be 4-1-2-3 as you face the engine. Both should also be indicated on the radiator support sticker. If it still won't start, take both wires off one of the coil packs, have an assistant crank the engine, and see if you get spark between the two exposed towers.

...
George
92 SCm 138k
98 SC2m 131k

"You shouldn't leave things in the fridge. That is the lesson."

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Old 06-24-2005, 08:33 AM   #6
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Default Re: changed plugs in my sc1 now no start

One other possible cause: if you pulled on the wire instead of the boot, you may have damaged the spark plug wires. You might want to check them to verify that they have the proper resistance. If not, replace them! You should have checked the resistance anyway when you were replacing the plugs. If you don't have a multitester, get one; they aren't all that expensive and come in handy for other purposes anyway. Here's an example, although you can probably find one cheaper:

http://www.radioshack.com/product.as...ct%5Fid=22-223

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Old 06-24-2005, 08:37 AM   #7
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Default Re: changed plugs in my sc1 now no start

Make sure the plugs are also properly seated and didn't get crossthreaded on installation. Under and/or overtightening them could cause an issue too.

...
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g/f's 2002 SL2 --> 'Raven'

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Old 06-24-2005, 09:04 AM   #8
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Sad Re: changed plugs in my sc1 now no start

I also changed the plug wires at the same time. car started for a couple of days and now won't I removed 1 plug at a time so I believe the wires are in the right order but I will double check and let u know thank you foor your time

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Old 06-24-2005, 09:06 AM   #9
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Default Re: changed plugs in my sc1 now no start

I used champion plugs when I changed them

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Old 06-24-2005, 09:20 AM   #10
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Dazed Re: changed plugs in my sc1 now no start

I am able to get the car to start but I still smell fuel quite badly and the car ran poorly on start just chugged alot then leveled off thanks

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Old 06-24-2005, 10:04 AM   #11
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Default Re: changed plugs in my sc1 now no start

Quote:
Originally Posted by poifect
I used champion plugs when I changed them
I would recommend, as well as many other here, to use NGK V power plugs.
They seem to work best.

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Old 06-24-2005, 10:28 AM   #12
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Default Re: changed plugs in my sc1 now no start

Are the plugs tight? They may have loosened up badly. This is the only thing I can come up with since the car ran for a few days and now there is a raw fuel smell.

--Tom

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Not a Saturn.

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Old 06-25-2005, 12:40 AM   #13
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Default Re: changed plugs in my sc1 now no start

remove O2 sensor and test drive, if performance increases a restricted exhaust is to blame.

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Old 06-27-2005, 10:20 AM   #14
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Dazed Re: changed plugs in my sc1 now no start

my car is now starting badly and is over heating My daughters boyfriend says that the catylitic converter is bad if so what would be my options to make it run better

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Old 06-27-2005, 10:28 AM   #15
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Wrench Re: changed plugs in my sc1 now no start

Overheating? I don't think a Catalyic converter needs to be replaced....try putting in a new ECTS...and check your threading on the spark plugs again as well as wiring them in the proper firing order. Change your PCV valve as well.

Are you getting an SES light on? Check for codes too...

...
Bryan

94SL2 HCE, "Pearl"

99 SL

94SL2 260K Miles
1/15

97SW2 266K Miles
2/15

Always
94SC1 340,501 Miles
Org. Engine/Auto Trans
2/97-10/08
Gone 3/12

92SL1
05VUE
91SC

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Old 06-27-2005, 12:16 PM   #16
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Dazed Re: changed plugs in my sc1 now no start

where is the ects. also where is the pvc valve located I aprediate everyones help on the problems I am having with my vehicle

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Old 06-27-2005, 12:27 PM   #17
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Default Re: changed plugs in my sc1 now no start

It sounds to me like you might have several problems, and so you need to do several tests.

The first problem is the car not running. That's a separate (and more serious) problem than the car overheating.

I'd suggest removing the O2 sensor and seeing if that makes the car run better. If so, then you have an exhaust problem (like the catalytic converter or the muffler). It is easily accessible. It's in the front of the engine, right on the exhaust manifold. Just remove it, and see if the car starts/runs better. Other than it being a bit noiser. (Don't run very long like this, it is just for testing).

The overheating problem is often the ECTS (Engine Coolant Temperature Sensor). It is a bit tricker to remove and replace. Check here: http://www.saturnfans.com/forums/showthread.php?t=24003 and here: http://www.saturnfans.com/forums/showthread.php?t=37884 for photos and detailed instructions.

One thing to do when your car is thinking about overheating. TURN ON THE AIR CONDITIONER just for a second regardless of the outside temps. This will always turn on the cooling fan for the engine. Some people use a switch so they can manually do it, I just hit the AC button for a second.

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Old 06-27-2005, 12:29 PM   #18
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Wrench Re: changed plugs in my sc1 now no start

PCV location....

When you stand over the engine from the front of the car, it will be visible with a small hose attached to it at the back part of the top of the cam cover, closer to the driver's side of the car. You simply pull it out, detach the small hose that is attached to it, put a new OEM PCV valve from Saturn in, and reinsert back into the cam cover.

The ECTS is located on the driver's side on the side of the engine block, depending. I believe on the 97 model year, it has the wiring clip that has 2 wires coming out of it. You can only change the ECTS on a COLD engine!!! The car must have a cold engine (preferably sitting overnight). You detach the wire clip (be care not to break it), and take a 13 MM deep socket wrench to change over from the plastic to brass tip. You WILL loose coolant, but don't be alarmed, you can replace that.

Check the how to section. There are pictures posted in the how to on both of these that will probably have pictures.

...
Bryan

94SL2 HCE, "Pearl"

99 SL

94SL2 260K Miles
1/15

97SW2 266K Miles
2/15

Always
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Org. Engine/Auto Trans
2/97-10/08
Gone 3/12

92SL1
05VUE
91SC

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Old 06-27-2005, 12:30 PM   #19
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Default Re: changed plugs in my sc1 now no start

Oops, missed one answer. Just as a normal routine maintenance item, the PCV valve should be cleaned or replaced. If it is plugged up, you can get some nasty symptoms. Here's a link on how to fix that:

http://www.saturnfans.com/forums/showthread.php?t=35214

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Old 06-27-2005, 04:25 PM   #20
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Default Re: changed plugs in my sc1 now no start

I just went out and found where the pcv valve was when I pulled the hose off I noted that the hose has cracks in it do I need to change the hose. the cracks are all the way through the hose

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