my car cranks but wont start i hear the fuel pump running and i checkes all fuses and relays all goodbut when i hooked a scan tool to see it there was any codes the scanner couldnt make any connection tryed with many scanners said the same thing no connection foun also before this happened my rp guage will bounec all around even doh the car wasnt revin tht high if i was at 3000 rpm it will bounce between 3000 to 4500 but now car wont even turn over does any one have any idea on this problem

 

check the ignition coil. my car had the same problem. i changed it and now it runs better!

alot of ppl are getting this problem....

 

the distributor

 

may be, ground???

 

got it running