hey guys need some help here...
#1
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hey guys need some help here...
ok so i got my car back and its runing perfect... the only problem is that the turbo its not spooling.... there is no codes/engine light but its just not spooling... any ideas??
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it spools about 3psi-4psi and thats it... not even at WOT... (i just tried it once and it didnt spool...only 3-4psi...) havent tried high RPM since i have a new build motor
#6
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What kind of blow off valve are you running? On my hks there was a rubber gasket that was loose and I could only boost to like 3 psi. Could be something dumb like that.
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i can but the problem is that its about 45 min away and if its something stupid i prefer doing it myself u know...
stock BOV
stock BOV
Last edited by cardelino18; 06-03-2010 at 07:18 PM. Reason: Automerged Doublepost
#13
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iTrader: (10)
Look at the attached vacuum routing diagram. Item 10 is the wastegate actuator. There are 3 vac lines and one electrical connection to it. One to the WG actuator, one to the inlet side of the turbo, one to the outlet side. Save the file & print it for reference.
I'd also check item 7, BPV solenoid routing.
(1) Evaporative Emission (EVAP) Canister Vent Solenoid Valve
(2) EVAP Canister
(3) Non-Return Valve
(4) EVAP Canister Purge Solenoid Valve
(5) High Pressure Fuel Pump
(6) Camshaft Position (CMP) Actuator Solenoid
(7) Charge Air Bypass Valve Solenoid
(8) Turbocharger Bypass Valve
(9) Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
(10) Turbocharger Wastegate Actuator
(11) Turbocharger Wastegate Diaphragm Valve
(12) Camshaft Position (CMP) Sensor
(13) Ignition Coil/Module and Spark Plug
(14) Fuel Injector
(15) Charge Air Cooler (CAC)
(16) Intake Air Pressure and Temperature Sensor
(17) Throttle Body (TB)
(18) Manifold Absolute Pressure (MAP) Sensor
(19) Fuel Rail Pressure (FRP) Sensor
(20) Engine Coolant Temperature (ECT) Sensor
(21) Engine Exhaust Manifold
(22) Turbocharger
(23) Heated Oxygen Sensor (HO2S) 1 and 2
(24) Catalyst
(25) Crankshaft Position (CKP) Sensor
(26) Fuel Pump Module
(27) Accelerator Pedal
(28) Theft Deterrent
(29) Data Link Connector (DLC)
(30) Malfunction Indicator Lamp (MIL)
(31) GMLAN Serial Data
(32) Engine Control Module (ECM)
I'd also check item 7, BPV solenoid routing.
(1) Evaporative Emission (EVAP) Canister Vent Solenoid Valve
(2) EVAP Canister
(3) Non-Return Valve
(4) EVAP Canister Purge Solenoid Valve
(5) High Pressure Fuel Pump
(6) Camshaft Position (CMP) Actuator Solenoid
(7) Charge Air Bypass Valve Solenoid
(8) Turbocharger Bypass Valve
(9) Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
(10) Turbocharger Wastegate Actuator
(11) Turbocharger Wastegate Diaphragm Valve
(12) Camshaft Position (CMP) Sensor
(13) Ignition Coil/Module and Spark Plug
(14) Fuel Injector
(15) Charge Air Cooler (CAC)
(16) Intake Air Pressure and Temperature Sensor
(17) Throttle Body (TB)
(18) Manifold Absolute Pressure (MAP) Sensor
(19) Fuel Rail Pressure (FRP) Sensor
(20) Engine Coolant Temperature (ECT) Sensor
(21) Engine Exhaust Manifold
(22) Turbocharger
(23) Heated Oxygen Sensor (HO2S) 1 and 2
(24) Catalyst
(25) Crankshaft Position (CKP) Sensor
(26) Fuel Pump Module
(27) Accelerator Pedal
(28) Theft Deterrent
(29) Data Link Connector (DLC)
(30) Malfunction Indicator Lamp (MIL)
(31) GMLAN Serial Data
(32) Engine Control Module (ECM)
#16
Senior Member
You need to do a boost leak test. You're not going to hear it when you're driving unless it's huge. Build a tester and borrow an air compressor from someone if you don't already have one. Didn't ItalianJoe build this motor for you? Why isn't he helping you with this?
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