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Old 12-12-2013, 08:20 AM   #1 (permalink)
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Engine problem

Hey guys/girls its been a while I know. Lots been going on in my life for the good but my car has crossed 130,000 miles and now has started giving me problems. When I get on the car, it will build boost and then around 3,000 RPMs it will start to spit and sputter. Then I lose the ability to blow off. I have to reset the computer for it to blow off again. Changed the plugs and the gap looks good. No codes. The car will drive fine when you drive it like a Prius. Any thoughts?
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Old 12-12-2013, 08:24 AM   #2 (permalink)
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Re: Engine problem

Spark blowout. Check your plugs. What's your car mods? Gap?
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Old 12-12-2013, 08:26 AM   #3 (permalink)
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Re: Engine problem

Quote:
Originally Posted by mouser View Post
Spark blowout. Check your plugs. What's your car mods? Gap?
MS1 with 1 step colder plugs gapped at .031.
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Old 12-12-2013, 08:29 AM   #4 (permalink)
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Re: Engine problem

Quote:
Originally Posted by dmercer109 View Post
When I get on the car, it will build boost and then around 3,000 RPMs it will start to spit and sputter.
This tell me you're doing something wrong.

In what gear and at what RPM do you "get on the car" so that ONCE it reaches 3000RPM it sputters?

Quote:
Originally Posted by dmercer109 View Post
Then I lose the ability to blow off.
No idea what you mean by that.
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Old 12-12-2013, 08:32 AM   #5 (permalink)
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Re: Engine problem

The blow off or having the blow off valve open is activated on vaccume. There are no electronics or sensors in play there as far as I know. I would check your lines. In terms of gap most people have success with .026 to .028 when they have blow out.
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Old 12-12-2013, 09:43 AM   #6 (permalink)
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Re: Engine problem

I dont really know what I could be doing wrong besides driving the car. This started about 2 months ago. I get on it in second gear.

yes the BOV is controlled by vacuum but would the solenoids not come into play somewhere since with my solenoid still in place the PCM controls the boost?
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Old 12-12-2013, 11:10 AM   #7 (permalink)
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Re: Engine problem

Did you check the vac line running down behind the manifold for any rips or holes?
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Old 12-12-2013, 11:11 AM   #8 (permalink)
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Re: Engine problem

Sounds like a boost leak. Possibly the Mouser hole.
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Old 12-12-2013, 11:19 AM   #9 (permalink)
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Re: Engine problem

My caliber was ms1 only and I had one step colder plugs gapped at .031 the whole time ms1 was in without any spitting or sputtering. If it's not a leak or plugs could it be a possible turbo seal? My neon srt4, when I had it, used to spit and sputter, mostly under full boost and when I took it to the dealer they told me it was the turbo seal. I'd say rule out the obvious and cheaper fixes first.
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Old 12-12-2013, 11:25 AM   #10 (permalink)
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Re: Engine problem

Yup sounds like symptoms I had about 4 years ago when that line ripped on me and had to replace it. Things got worse over time the larger the hole got. Nobody really had an idea on what the problem was because it hadn't happened before. I just happened to reach my hand down there and noticed a nice 6 inch gash in the hose.
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