My blazer runs fine but when a diagnostic computer is connected for inspection it says no communication. All fuses are good. What could be the problem?

My blazer runs fine but when a diagnostic computer is connected for inspection it says no communication. All fuses are good. What could be the problem? 1 Answer

1999 chevy blazer will not start i did a full tune up and change the fuel pump still will not start up all it does is crank i was told it could be the computer i got one put it in still will not start 1 Answer

I put one i had from a 1996 blazer and start up and runs but it runs like crap and my dash bored looks like a Christmas tree

What could be the problem? 2 Answers

My car is running really bad and idling bad and it backfires alot as well, it dont like to start most of the time and when you do most of the time you have to keep giving it gas to keep it running a...

my 2004 chevy blazer started stalling out,codes read mass air flow senser. so I got a new one but it still wont run. anybody know what it could be? 1 Answer

trying to figure out what the problem is on my blazer and hoe to resolve it

My blazer was running fine, went in the store and when I came out it would turn over but wouldnt start. I checked the relay and that is fine. Could it be the fuel filter rather than the fuel pump.HELP! 1 Answer

Car was fine, came out of store would turn over but not start. Could it be the fuel filter other than the fuel pump?