IDLE SPEED 690 ENGINE TEMP MORE THAN 80DEG
IN PARK
AIR ON OFF IAC VALVE STEP 57
AIR CON ON STEPS GO TO 70
IDLE SPEED WITH AIR CON 750
WHEN COLD IDLE SPEED SHOULD START AT 1500 RPM
AIR MASS FREQUENCY AT IDLE :
Check fault codes and record check vin numbers are correct
Install new ecu and connect power supply
Read MoreVehicle came in stolen and recovered, and an engine assessment had to be done using E-scan we where able to conduct a relative compression test from one port after removing the fuel pump fuse in the boot fuse box
This is all well and good when the engine goes well and there is no issues we we decided to conduct a fuel trim test to make sure the engine was running good through the rpm range
After this an Astra engine came in on a tow truck after it just stopped on the road, the engine sounded funny when cranking so again a relative compression test was Carried out
Even though the pc told us this was ok I decided to not believe the pc relative compression test as the graph didnt look quite right, out with a spark plug and we found cyl1 – 0 Psi, Cyl2 – 50 Psi, Cyl3 – 0 Psi Cyl4 – 0 Psi
So it just goes to show you go with your guts and do things manually when your guts tells you something, but I learned the differences in the graphs this Astra direct injection engine, had a snapped chain….
And we will know faster next time. Faster at servicing and repairing vehicles in seven hills NSW
This is new vehicle to our workshop and it is always a hard to know what features a vehicle has since most of the time They always come in not working, So does the vehicle have Active Cruise control or Collision Protection or Collision Protection Plus.
There is nothing in the Vehicles Log Books that show the features of the vehicle equipment, it requires you to log online and find out through the manufactures portal.
Vehicle Symptoms – Miss firing and check engine light on.
The vehicle was driven into the workshop and the vehicle was miss firing, sure we found that when cyl 2. spark plug lead was removed from the coil the engine would not change its roughness and that by removing that coil lead from that coil that was the cylinder that was not pushing the piston from a firing event.
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Happy Easter, hope every one stays safe during the holidays. we will return to work on Tuesday! For everything your cars needs!
Covid-19 or not this brake fluid still needs to be changed
Vehicle Symptoms
The vehicle was booked in for a service and to check the Engine light on the dashboard. (sounds simple)
The vehicle was scanned with
P0121 Throttle/pedal position sensor A circuit Range/performance.
Fault Code this is a dreaded fault code as it does not pin point to any particular part for further diagnosis other than there is an issue with the throttle system.
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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Safe to say that the cylinder head is cracked on this Holden Cruze coolant leaking through into spark plug tube when hot and cooling system pressurised….
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