I have a 99 lightning with 81K. I have had the truck for about 10 years and purchased it with only 36K on the odometer. With the exception of a faulty coil pack a couple of years back, the truck has run perfectly. It has always started almost instantly to the point of where you just turn the key to start and then back to run almost immediately. I noticed over the last several months that it took a little longer to actually start to run....just literally a second longer, if that. Out of habit, my normal routine was to just turn the key back to run almost immediately after turning it to start. But recently when I did this, the truck would run rough for a second or two then smooth out. A couple of days back, I went to start the truck and once again turned the key back to run before the engine was completely running. This time it didn't smooth out as it has in the past and stalled. It almost sounded as if it was choking out. The truck is now difficult to start at all, and won't stay running. Upon removing the air breather (an AIRAID filter similar to K&N which was on the truck when I purchased it) the engine ran a little smoother but still did not run to power. I unplugged the mass air flow circuit and between that and the filter the engine would idle smooth and then rough again. No check engine or service light appeared on the dash and we ran a scan to look for codes. Initially PO102 and P0602 as well as P1000 came up, however I am not sure if those came up because I previously disconnected the MAS or not. I was going to try a new MAS but before purchasing that, does anyone have any ideas as to what this problem might be? Thanks folks
Bob
Bob