11-30-2009, 08:11 AM
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#1
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GL Member
Join Date: Jan 2009
Location: Fowlerville MI
Posts: 874
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car is running terrible
first off i know i live in michigan an it gets cold and shit tends to not work properly when cold. the past month or so when i start my car in the morning it runs like crap for about ten minutes. idles rough, stumbles on its face when accelerating, sometimes stalls. i just did a pre winter tune up about three months ago including plugs, fuel filter, air filter, and a few other things. anyone know why this could be happening? it did NOT do this last winter at all it started and ran fine right off the bat with no problems. thanks
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[ion] C2 - I ran her hard, on nothing but the bare ground. After easing into it and progressively pushing down harder I could feel the pressure building and once it peaked I let off and she gave a loud cry from the blow off valve.
Ttop191 - ^ because your car is the only thing that will suck and blow that you can actually successfully get within 25 feet of
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11-30-2009, 10:11 AM
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#2
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GL Member
Join Date: Jun 2009
Location: Michigan
Posts: 475
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ugh.. i live in MI too this weather sucks ass
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I am beyond help...
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11-30-2009, 10:46 AM
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#3
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Now a Ford Traitor.
Join Date: Mar 2008
Location: Greenland
Posts: 6,996
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ok, clean MAF, clean the entire intake, did you use other than AC Delco Plugs?
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11-30-2009, 11:29 AM
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#4
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GX Member
Join Date: May 2008
Location: FL
Posts: 216
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What is this MAF doohicky you speak of?
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GX Coupe
Dropped and Blown
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11-30-2009, 11:33 AM
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#5
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GL Member
Join Date: Oct 2009
Location: Wichita Falls, Texas
Posts: 663
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Nevermind
Last edited by Malibu369258 : 11-30-2009 at 12:39 PM.
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11-30-2009, 11:53 AM
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#6
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GL Member
Join Date: Jun 2007
Location: Louisana
Posts: 413
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I don't think the 2.4 doesn't have a MAF sensor....
We do have a MAP sensor tho.
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Painted, boosted, bagged, too many mods to list..
Two DigitalDesigns 2510s, two RD1750.1s, one loud Alero 
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11-30-2009, 11:59 AM
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#7
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Now a Ford Traitor.
Join Date: Mar 2008
Location: Greenland
Posts: 6,996
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whoops, sorry, you dont have a MAF...
hmm, bad coil..... check and replace coil, or install MSD coils..
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11-30-2009, 01:08 PM
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#8
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GL Member
Join Date: Jan 2009
Location: Fowlerville MI
Posts: 874
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i cleaned the cam position sensor, air idle sensor, and iat sensor earlier today along with the whole intake and cleaned the filter for the hell of it. i replaced the coil packs about 1000 miles ago so i dont forsee that as the problem and i also used the ac delco rapid fire plugs when i did the tune up so im kinda stumped. and yes i hate this shitty weather and its only gunna get worse lol.
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[ion] C2 - I ran her hard, on nothing but the bare ground. After easing into it and progressively pushing down harder I could feel the pressure building and once it peaked I let off and she gave a loud cry from the blow off valve.
Ttop191 - ^ because your car is the only thing that will suck and blow that you can actually successfully get within 25 feet of
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11-30-2009, 01:27 PM
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#9
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Aleromod's most pointless thread starter
Join Date: Aug 2007
Location: Jersey (north and south are 2 diff. states)
Posts: 2,349
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check for any vacuum leaks?
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Quote:
Originally Posted by adam337
whats with all the useless threads lately?..
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New project 1992 460 big block ford notchback mustang
Goal - Mid 11s all motor.
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11-30-2009, 01:30 PM
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#10
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GL Member
Join Date: Jan 2009
Location: Fowlerville MI
Posts: 874
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yes didnt find any. it runs fine after it gets warm
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[ion] C2 - I ran her hard, on nothing but the bare ground. After easing into it and progressively pushing down harder I could feel the pressure building and once it peaked I let off and she gave a loud cry from the blow off valve.
Ttop191 - ^ because your car is the only thing that will suck and blow that you can actually successfully get within 25 feet of
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11-30-2009, 02:11 PM
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#11
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Now a Ford Traitor.
Join Date: Mar 2008
Location: Greenland
Posts: 6,996
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Quote:
Originally Posted by alero_bmxer
yes didnt find any. it runs fine after it gets warm
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plugs, you used the wrong type, or you gapped them incorrectly, or they are fouled, and the coil pack is weak
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11-30-2009, 07:32 PM
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#12
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GX Member
Join Date: Jul 2005
Posts: 113
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The back of the throttle plate and that area sometimes needs a real good cleaning to idle properly, not a problem on our alero's too often though. Sometimes the coil packs like to leak to ground through the coil pack housing, make sure you have the proper plugs as that seems to be an issue. Don't gap them too big or you'll leak to ground/misfire more easily.
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