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Engine Tech Technical discussion related to all relevant engines such as KA, SR, RB, CA, 2JZ , L24/26/28, VG, VQ, and LSx series.


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Old 10-10-2012, 08:59 PM   #1
s14alex
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s13 sr makes boost, wont accelerate. searched

Hello all

I have a stock turbo Sr that's been running fine for almost 5 years.

Recently, when accelerating the car will build boost, but not accelerate.

It acts like the engine is under an extra heavy load and will make more boost than it normally should at the same throttle input. This problem is intermittent.

Now to me this sounds like a wiring issue. My question is where to look. The fact that the car will make boost and not break up rules out a boost leak. Its like the car is pushing against a wall.

I don't think heat is an issue because some days the car runs fine even when abused.


Plz halp

I've delt with maf issues before, it revs past 2500 just fine.
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Old 10-11-2012, 08:56 AM   #2
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Check the ecu for codes! Then check timing!(with a light)
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Old 10-11-2012, 01:14 PM   #3
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Sounds like ur timing is being retarded. Check knock sensor.
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