Dang so it isn't just chevy..got a 2001 silverado been sitting in driveway for last 2 months. Replaced switch and did all the internet reach around to bypass security. Same thing orange security light will crank and run for a second or 2. Key fobs dont work and killed interior light. Was...
Pour some mechanic in a bottle in carb after cleaning the bowl..let sit overnight..put a new plug and gas and give it a whirl with some starting fluid. Easiest try for firing/fuel issue.
You can add a aftermarket catch can that is servicable to collect some of the oil before it goes back through the egr and it helps some but doesn't eliminate the issue completely.
Direct injection fuel versus port injection..newer direct inject doesn't clean the valves and everything gums up 30 to 40k miles. $600 to 1000 to get them properly cleaned. You gain fuel economy but loose the cleaning effect of port injection. Duel injection works well but more expensive for the...