changed plugs, car sluggish - Subaru WRX Forum
 
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#1 Old 10-24-2009, 01:07 PM
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changed plugs, car sluggish

Well I got the spark plugs changed and the car feels slower. It actually turns on without fighting me now tho. I wanted to do a fuel system cleaning as well but mechanic wouldn't do it customer he feared killing Turbo due to overheating by idling.
What could fix the sluggishness
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#2 Old 10-24-2009, 02:10 PM
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How many miles are on the car? Have you done any modifications to it? Have you kept up with all the other recommended maintenance procedures? Subaru maintenance schedules and new car break-in period

John
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#3 Old 10-27-2009, 10:47 AM
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i bought the car used. 165k. im taking it as car has never had any work done.

Ive replaced
Brake pads & rotors
tires
Spark Plugs
Radiator


planning on doing waterpump,thermostat, upper and lower hoses all at same time. maybe the timing belt too.

i want to do a tranny and front/rear diff flush as well. anything else you guys think would be a god or bad thing to do to the car?


this is gonan be strictly a daily beater until i get enough cash for next ride (maybe a new STI )
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#4 Old 10-27-2009, 11:23 PM
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Quote:
Originally Posted by Marne_Aeok View Post
Well I got the spark plugs changed and the car feels slower. It actually turns on without fighting me now tho. I wanted to do a fuel system cleaning as well but mechanic wouldn't do it customer he feared killing Turbo due to overheating by idling.
What could fix the sluggishness
just wondering what type of plug's did u put in?
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#5 Old 10-28-2009, 12:40 AM
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NGKs. firestone only had those or some densos - they told me that it came with NGK stock. there were like 7 bucks a piece
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#6 Old 10-28-2009, 05:18 AM
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Part #'s please. Did you re-gap them ?

Paul
2007 XT
2007 MS3
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#7 Old 10-28-2009, 09:07 AM
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Did you happen to check the air filter? That can be easy to overlook and it could cause the car to feel sluggish if it's really dirty. You might also want to get a new fuel filter and change the engine oil to synthetic if you haven't done that already too.

Also, your turbo should be oil and water cooled, so I seriously doubt it would get killed by idling and overheating.

John
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Jorge Carrillo Tuned (365 whp/340 wtq)
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#8 Old 11-01-2009, 01:25 PM
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Yeah, If you didnt check the gap, thats prob gonna be the reason. I cant tell you how many times I was told " Oh those are pre-gapped" . BullS***! They never are gapped right.
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#9 Old 11-01-2009, 10:09 PM
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Yeah, when I got my Pulstar Pulse Plugs (which I stupidly paid a small fortune for, by the way), the information that came with them said they were pre-gapped, but I had to make all their gaps a little smaller before I installed them.

John
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