Can someone Help me understand these results from a Geniune Ross-Tech Diagnostic Scan

[thassall4295]

I purchased a Genuine Ross-Tech Diagnostic, not because there was anything wrong with my vehicle and to be honest without doing this scan you wouldn't know there was anything wrong at all. I just brought one for a future investment and to help me out whenever I do come across any problems which it did when my Alarm Siren packed in which was a common fault, but thanks to the Ross-Tech Lead, help me solve it!

Any when I ran one a while ago these faults popped up whilst sorting the alarm siren, but just never got around to solving due to my car working fine at the time and there was no indications of any problem, power loss (As I am ware of when driving, but I understand sometimes hard to determine that.), revving, over heating, ect.. ect.. Below is the result of the scan I did today and was just wondering if anybody knows in an understandable way what they mean and how I can possibly solve the issues?

10 Faults Found:
18010 - Power Supply Terminal 30
P1602 - 35-10 - Voltage too Low - Intermittent
16795 - Secondary Air Injection System
P0411 - 35-10 - Incorrect Flow Detected - Intermittent
16486 - Mass Air Flow Sensor (G70)
P0102 - 35-10 - Signal too Low - Intermittent
17645 - Fuel Injector for Cylinder 1 (N30)
P1237 - 35-10 - Open Circuit - Intermittent
17647 - Fuel Injector for Cylinder 3 (N32)
P1239 - 35-10 - Open Circuit - Intermittent
17648 - Fuel Injector for Cylinder 4 (N33)
P1240 - 35-10 - Open Circuit - Intermittent
17646 - Fuel Injector for Cylinder 2 (N31)
P1238 - 35-10 - Open Circuit - Intermittent
17978 - Engine Start Blocked by Immobilizer
P1570 - 35-10 - - Intermittent
17956 - Boost Pressure Regulation Valve (N75)
P1548 - 35-10 - Open Circuit - Intermittent
16500 - Engine Coolant Temp. Sensor (G62)
P0116 - 35-10 - Implausible Signal - Intermittent
Readiness: 0000 0000

I tried clearing the fault codes, just encase they were old ones, but it was worth a shot I guess lol and as I expected they came back.

Thank you for everybody's time!

 

[<tuffty/>]

First have a look at Category:Fault Codes - Ross-Tech Wiki to get a better understanding of the codes...

18010 - ignore, normally happens if the battery is disconnected or no power to the ECU for a n other reason (mapping also does this)
16795 - leak in the SAI system... check all pipes for splits
16486 - tired MAF sensor... probably needs replacing

17645, 17647, 17648, 17646 - wiring issue or injectors have been disconnected for some reason

17956 - Wiring, related to injector ones above
16500 - dodgy CTS or maybe related to the wiring issue above...

<tuffty/>

 

[ex911driver]

16500, Coolant temp sensor needs replacing
P1570 N75 valve needs replacing
Po 411 Maf sensor needs replacing
Were all those codes present before you fixed alarm siren?

 

[thassall4295]

Hi thanks for such a quick reply, yeah, these popped up when I scanned all control modules on the car, but I haven't experienced any running problems that's why I didn't investigate there and then like. Just tried solve one problem at a time.

Well I purchased the car off my sister, but about 10 months before I had it off her she had a new head fitted to the car, I don't know if this would matter but they fitted a APU head where my car is a APY they were vag specialists so I'm presuming they knew what they were doing like or the heads are the same would this have any relation to the injector problem would they have had to take them off when changing the head like? When I say head I don't mean gasket I mean the complete head due to it cracking I'm presuming because of the water pump failing or something.