It usually takes 3-4 seconds before my 96 chevy camaro 3.8 v6 starts. I have replaced the 3 ignition coils, put a brand new MAF sensor in, and replaced the oil filter adaptor and new sending unit. I was getting a P0300 random misfire, but after changing the above mentioned items, the code is now gone, but the 3-4 second start is now back. What should I look at or what could be causing this? I don't want to damage the starter and would love to solve this problem if it is an actual problem?

251,000 miles.

Thanks for any and all help with this!

 

test fuel pressure