Question about 2006 Lexus IS

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I have a 2006 Lexus is 220d SEL low power under 2000 revs and struggles in 6th gear when under load the turbo works ok

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Posted on Jul 10, 2015

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Posted on Jan 02, 2017

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SOURCE: I have a 2002 beetle turbo. The gear and shifting

slave master cylinder. might as well get a new clutch while your at it. 6spd trans the slave is part of the release bearing. usuually leaks and ruins your clutch!

Posted on Nov 30, 2009

BRADLEYFRANC
  • 104 Answers

SOURCE: just bought vw beetle 54 plate 1.8 20v turbo.

it could be the maf sensor,the coolant temp sensor or the throttle body.you will need to have a suitable diagnostic machine connected to read what trouble codes are in the ecu.

Posted on Oct 13, 2009

bigguy810
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SOURCE: smokey when first starts,a bit

you have a restriction i would check from the air cleaner to the turbo if you find nothing //look to see if you have a catalytic converter ill bet its clogged tight

Posted on Apr 24, 2011

TDISLine
  • 1874 Answers

SOURCE: Turbo refuses to supply power

The car goes in "limp home" mode:
After scanning the Engine Control Module (ECM) with a VAG or similar diagnostic tool you will find this: Fault code: P1557-Turbo Boost pressure control exceeded
1. Engine stopped and ignition switch off. Check all pneumatic connections and hoses between turbocharger actuator = pressure unit for boost-pressure control, boost-pressure control solenoid valve, vacuum reservoir, EGR control solenoid valve, intake-manifold flap solenoid valve, EGR valve with throttle - part of intake manifold. Also the vacuum connection between tandem pump and brake booster. If you find something wrong replace parts. If not go to step 2.
2. Extract the hose of the turbocharger actuator = pressure unit for boost-pressure control part of turbocharger. Instead of the original hose you must place another 1 meter long hose with the same inside diameter, and then you check to inspire yourself the air from the other one extremity of this hose. The mechanical connecting rod of the turbocharger actuator must have a smooth and whole motion. If you can do that with your mouth, then you must replace the boost-pressure control solenoid valve. If you can not reach this with your mouth, then you go to step 3.
3. This is the most difficult work. The problem is that the soot particles deposits inside the turbocharger plugging the variable nozzle geometry mechanism = adjustable vanes of the turbine. If the turbocharger actuator is not able to adjust the turbine vanes the charge air pressure increase too much and ECU (engine control unit) go in "limp mode" = engine protection software. As a result the "limp home" mode engine still running until you turn the engine off (ignition switch off) and back on when the "limp mode" is deactivated, but the fault still remain in ECU memory!
4. You must be able to extract the turbo from the engine and then to disassemble the turbocharger, clean inside adjustable vanes mechanism and refit all.

Posted on May 24, 2011

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What do you mean by low revs?

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