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Old 03-02-2010, 11:55 PM   #16
vegabass
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Quote:
Originally Posted by Mad Cow View Post
Seafoam is just a good if not better, and Napa sells it for around $10 a can around here, partsource had it for $12.
In my beater there is a slight hesitation at 2500 rpm. Do you think seafoam would help this?
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Old 03-03-2010, 11:47 AM   #17
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In my beater there is a slight hesitation at 2500 rpm. Do you think seafoam would help this?
It could, and if it doesn't all you wasted was 10 bucks.
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Old 03-03-2010, 01:02 PM   #18
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Originally Posted by aaron320i View Post
Does the VR6 have plug wires? I would bet on them if the car is equipped with them. If not check for a broken vaccum line.
yes it does. He says that they were recently replaced, and there is a spark at each cylinder (i tested that). I also checked all the vacuum lines and hoses around the engine bay as best I could and found nothing wrong with them, although the age is beginning to show on most of the rubber. Like Mad Cow said, I'm willing to throw $10 on this car if there's a chance it could fix it. If not, its back to square one. BTW I dont think this affects the hesitation, but there is a "whining" noise from the engine, sounds like a belt or pully going bad IMO. Other than that the everything looks good on paper.
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Old 03-04-2010, 12:01 AM   #19
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yes it does. He says that they were recently replaced, and there is a spark at each cylinder (i tested that). I also checked all the vacuum lines and hoses around the engine bay as best I could and found nothing wrong with them, although the age is beginning to show on most of the rubber. Like Mad Cow said, I'm willing to throw $10 on this car if there's a chance it could fix it. If not, its back to square one. BTW I dont think this affects the hesitation, but there is a "whining" noise from the engine, sounds like a belt or pully going bad IMO. Other than that the everything looks good on paper.
Well I was just putting a Mazda back together form an engine swap and I drove it out and the car ran beautiful. Went up the street opened it up a little and then I started having problems. I get back to the shop and scan the car. Cylinder 3 misfire. Fackkk. OK well I checked everything. Except for the wires. I was told by the owner that the car just had a full tune up 2 weeks ago and that everything was changed, fuel filter, plugs, wires, pcv,air filter... blah blah blah. I ended up replacing the wires, no further problems.
The old ones even looked newer than the new ones.
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Old 03-04-2010, 01:52 AM   #20
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Anyone? My cousin's jetta VR6 won't stop hesitating and sputtering (doesn't fully stall). We checked out everything we can think of (plugs, injectors, cleaning intake system/throttle, checking the o2 sensors, new gas). I thought I'd give the seafoam a shot (plus I get to test it out before using it on my car).
I'm willing to bet its a bad coil pack as I've also had this problem on my vr6.
Get one of those spray bottles for plants and lightly mist around the coilpack when the car is on, If you see arching around the where the wires connect to the coilpack. Its the culprit.

The bad news, Coilpacks go for $350 new.
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Old 03-04-2010, 02:28 AM   #21
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^^ had same problem with my VR6
got used coil pack for $100, worked fine.
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Old 03-04-2010, 07:21 PM   #22
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yikes....$350 seems insane. I would hate to be wrong. I'll try misting it to see if I get an arc.
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Old 03-05-2010, 12:41 AM   #23
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Originally Posted by Nguyen_E30 View Post
brake booster, oil cap and gas tank
So wait, you just take off your gas cap and spray this stuff in the tank? Same thing with the oil tank? Or am I just misunderstanding something?
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Old 03-05-2010, 03:30 PM   #24
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There's a video of someone using this on their e36 on youtube. It shows the procedure pretty well.
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Old 03-05-2010, 03:38 PM   #25
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Stuff like seafoam is only a temporary fix. The problem may get worse if you don't fix it properly.
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Old 03-05-2010, 03:46 PM   #26
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So wait, you just take off your gas cap and spray this stuff in the tank? Same thing with the oil tank? Or am I just misunderstanding something?
yeah, youre supposed to pour 1/3 in brake booster, 1/3 in the engine and 1/3 in the gas tank. let it sit for about 10 mins and then start her up. let her idle for a bit and than rev her up and drive her for a bit.

tons of vids on youtube
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Old 03-05-2010, 05:59 PM   #27
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Guys....if you pour this stuff in your vacuum boost line or in your intake, do it before you change your O2 sensors and your spark plugs!

Also, if you pour it into your oil, do it before a oil change!

This stuff works great, but it will mess up your O2s and sparks with all the gunk it burns off!
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Old 03-05-2010, 09:41 PM   #28
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^+1 on that. Oil change is recommended after seafoam. All the build up thats being flushed out by it may/will damage O2 sensors and may also clog up catalytic converters.

Some tried it on here and say its good.
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Old 03-06-2010, 01:04 AM   #29
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And here we are:



It isn't the best vid, but is nice to see it done on an e36 for me. lol



Another one, the camera is brutal but the the M3 in it is mint. lol
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Old 03-06-2010, 07:58 AM   #30
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Also...use the deep creep spray version if you going to put it into your vacuum boost line and go slow, if you use the bottle and pour it too fast, you can hydro lock your engine...dont let it stall.
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