At 1000 rpms it goes to over 7000 rpm, Temp gauge passes the top while driving and sticks. Car also dies when stopping ( possible map sensor bad). Code 34 getting part tomorrow. Checked grounds look g… 

Turns over all lights it has that normally come on but I get no spark its something in ignition it's an lt1 5.7

I had no problems with it, usually starts instant an stays on but recently it been stalling out, i start it, it cranks... when i hit the gas to try to keep it on. It dies...i was thinking maybe fuel p… 

Fuel gauge shows empty when tank is full.

Petrol gauge needle stays high even when the tank is empty but when I turn the key off goes down

Erratic Fuel Gauge
Fuel Gauge Not Working