never a walk in the park with a vehicle that has 245.000kms
Fuel Trims Are Adding Fuel As The System Is Running Lean
Conduct Road Test And Found That The Fuel Trims Are Causing The Check Engine Light To Come On
The Fuel Trims Are Suspect That The Systems Has Air Leaks Of Air Flow Meter Fault It Also Shows That There Is A Fuel Delivery Problem
Disconnect Fuel Lines And Connect A Fuel Pressure Gauge
Found Fuel Pressure Is Solid At 300kpa, Slightly Lower Than Expected We Noted That Autodata Says(spec Is 300-350kpa) This Is Correct
The Same Engine In An Aurion Is 350-400kps Specification
So A Little Low There,
Cleaned Air Flow Meter And Fuel Trims Have Come Down From +35% To +20%
Carried Out A Throttle Body Clean And Upper Cylinder Clean
Put In Some Lifter Free Into The Oil Ass The Idle Has Slightly Unstable Carried Out Cranking Compression Test And Showed With Tolerance,
After Some Time Running The Vehicle The Fuel Trims Have Come Down To +10% To +15%
Getting Closer When Accelerating The Engine It Felt Sluggish,
So An Air Mass Meter Was Purchased And Installed (after Market ) It Was Found That The Fuel Trims Where In Fact Worse, So The After Market Crap Unit Was Sent Back And A Genuine Unit Was Installed!!
At Last The Fuel Trims And Acceleration Was Back Fuel Trims Average At +3% Mark
Drove The Vehicle Home 35 Min Drive And The Vehicle Felt Sluggish Again, Tested The Fuel Trims To See If Any Changes And Found That Fuel Trims Had Gone Worse Than Ever Back To +44% A Fuel Trims and Air Flow Meter Test Was Done Again And Only The Fuel Delivery Side Was Bad
Remove The Seat And Gained Access To The Fuel Pump And Found The Pre Filter Had A Layer Of Mud And Pet Hair,cleaned The Pre filter And Washed The Fuel Pump Bowl Refitted To Vehicle And Test Driven Again For The 35 Mins And Found The Vehicle Is Now Free From Errors, And All Power Is Restored At 200 hp
Front Radar sensor Calibration – Preparation phase
The Vehicle had came in from a panel shop with the front radar module replaced so typically the unit had to be recalibrated, (this also needs to be done if the grille has been removed and replaced, modified etc)
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Normally when testing the performance on a Diesel engine with lack of power a boost leak would be found or a cracked intercooler, this vehicle has amassed 500,000kms and had never been cracked open servicing had been conducted by us since the word go, full synthetic 5/40 engine oil, upper cylinder cleans every service and no catch can present, here is some photos after 500,000kms
The vehicle now has full performance back to the engine and client now happy injectors and fuel supply is still in perfect condition after 500,000kms
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To reset the timing belt indicator without Multi Information Screen (2013 on), proceed as follows:
Turn on the ignition.
Adjust the display so that it is showing the TRIP B reading. (See Diagrams)
Turn off the ignition.
Press and hold the trip meter button and turn on the ignition.
Continue to hold the trip meter button for 5 seconds or more ensuring that the timing belt warning light is flashing.
Release the trip meter button then within 5 seconds press it once.
You now have 5 seconds to select the interval to the next timing belt change. turn the trip meter button to advance through the interval options.
Note: the interval options will be a two digit number representing the kilometres multiplied by 10,000 eg: 15 = 150,000 Km’s
Or if not changing the interval hold the trip meter button for 5 seconds or more.
The display returns to the Odometer reading and the Timing Belt light will turn off
To reset the Timing Belt reminder message without the Multi Information Screen.
Switch the ignition ON and set the TRIP meter RESET knob (located on the lower right hand side of the cluster) to display the Odometer reading (not the trip meter reading) and then turn the ignition OFF.
Press and hold the TRIP meter RESET knob and turn the ignition ON.
Press and hold the TRIP meter RESET knob for a further 5 seconds, release it and then hold it in again within 5 seconds.
Enter into the SETTING MODE and change to T-BELT DISPLAY MODE.
Press and hold the TRIP meter RESET knob for a further 5 seconds.
The display now changes to TRIP B and the warning light turns off indicating reset procedure is complete.
Release the knob and turn ignition to OFF.
This Toyota RAV4 with 2.4l engine was prolonged starting it took extra time to start the vehicle even after 15min switched off, the check engine light was on
Scan data revealed. P0171 system to lean bank 1. Read More
2TR-FE – TOYOTA HILUX 2008 – ECU SWAP, the long story
This vehicle came into the workshop with check engine light illuminated, with fault codes:
- P0037 – Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2)
- P2238 – Oxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 1 Sensor 1)
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VT TX VY VZ Commodore Remote key head, 3 button 92049154
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