Under the left side of dash.
Under dash, drivers side, above e-brake pedal.
on the oil pan...
Spark plug gap chevy ls blazer
Plug in an OBD2 code reader. You can borrow, rent or purchase an OBD2 code scanner at most auto parts retailers.
Under the dash
Yes.
a bad coil or plug to be safe change both
Assuming you mean the engine oil drain plug, a 15mm wrench should do the job.
Does the obd2 plug work? allot of the time it can be joined with the cigarette lighter. Check that it could be an issue. If not I would think the ecm may be shorting out?
0.035 plug gap
OBD2 plug is located Below steering column and to the right, it is behind the knee bolster. Plug is facing vertical,so you may have to lie on floor mat and look up.
no