Explainations of warnings lights in opel astra 2002

I got this free Pdf manual from reliable-store for free and I don't think Ive visited a mechanic or fixya for help for more than 3-4 times out of the 20 times I fixed the chipper in these 4 years

Check this link for all Nissan warning lights

Nissan Altima Dashboard Warning Lights and Meanings

The Nissan Master Warning Light, Explained
Basically, all the master warning light does is let you know that there's some other warning you should pay attention to. According to the 2015 Nissan Altima owner's manual, when the ignition is in the ON position, the master warning light will turn on with any of the following warnings:
-Loose fuel cap
-Door open
-Trunk open
-Low fuel
-Low windshield wiper fluid
-Check tire pressure warning
-No key detected (happens if the Nissan Intelligent Key is left outside the vehicle)
-Release parking brake (this should occur any time you start the car after setting the parking brake)
If your Master Warning Light comes on, please contact your local Nissan Dealer

Identical cold start issue on my Astra IE 1996 F series after the engine got rebored - after months the new oil pump was found to be faulty & clogged-up & replaced by the spares supplier - the car then ran perfectly after this. I was told the blockage created a backpressure & the computer was stopped it starting.

16 years later - 10 yrs after the last service covering just 8600km (last 2 yrs car hardly started) has identical cold issues again. It can be driven around & wont take long cold start in our warm coastal winters. The good mechanic seems to be giving up trying to fix my old car but refuses to believe its a low oil pressure issue saying that just makes the oil warning symbol light up & doesn't affect a car starting. I want to check if the engine warning light works on starting showing the low oil pressure sensor is working. But his now busy searching for a Astra specific temperature sensor.

Most common cause of jerking is a misfire but that would be likely to switch on the engine check light.

Certainly it would be a good idea to check if any faults had been recorded by the obd system and it would do no harm to check the spark plugs and replace if necessary and while the bonnet is open carry out a thorough visual inspection of the pipes, wires and cables and all electrical connections as a matter of good practice.

Without a more detailed description of the jerking it is difficult to make any other suggestions.

Try hold down the milage reset button turn on ignition whilst holding button I and keep it held down the insp should turn to ----

Take it somewhere and have it scanned for codes. It will save everyone a lot of guessing.

By operating the tire pressure warning system reset switch, tire pressure warning system ECU can be set to issue a warning at an inflation pressure that corresponds with the type of tires.
Operate the tire pressure warning system reset switch only after the inflation pressures of all 4 tires have been adjusted on the vehicle.
To initialize the system, press and hold the tire pressure warning system reset switch for 3 seconds or longer with the power switch turned IG-ON. When starting the initialization, the tire pressure warning light blinks 3 times at 0.5 Hz.
During the initialization, the tire pressure warning system valve & transmitter measures the inflation
pressure of the tires, and registers the signals that are transmitted into the ECU at a frequency of 1 per
minute. The initialization process is completed when the signals from the tires have been received.
Once the tire pressure warning system reset switch has been pressed, do not turn the Ignition switch OFF for a few minutes.

either low tire pressure or brake warning. See pics below. If it's the brake warning, check your fluid level. If level is low, check for leaks at brakes, master cylinder, also clutch slave if you have manual trans. Let me know if you have questions.

FUEL PUMP PROBLEM REPLACE IT