no start

I have a 1999 Mustang GT that turn over fine, but it will NOT start up. Theft light flashes rapidly and has dashes on odometer. I let it sit for 2 weeks and then jumped it off and it started up! as soon as I disconnected the jumper cables....it shut off and will not start. the battery is good...

Probably a cherry newb question, but when jrichker's diagnosis checklist says "Jumper the screw to the big bolt on the starter solenoid that has the battery wire connected to it. You should get a nice fat blue spark," where should the blue spark be coming from? I get a smallish blueish/orangey...

Hey guys, A very Happy New Year to all on here!! My 1999 mustang GT just wont start after I cleaned the MAF with CRC MAF sensor cleaner. The car cranks fine but does not start even with the MAF sensor unplugged. There is no issue with PATS and all fuses and relays are fine after testing...

Hey guys need some help just bought a 1997 Mustang GT nothing perfect. need some help previos owner bypassed the ignition system has a push button start in it that does not work and no turn key either .their wiring hack job i can hit a random wire from the starter and starts any ideas on why...

Hey all, I'm new here and am having issues with my 94 GT 5-speed.. I parked the car for a week. Came back to a dead battery... I grabbed the battery out of the car and let it charge overnight. Put the battery back in and now it just cranks and will not start. Couldn't find my fuel pressure...

Updated 05 July 2022 to add rough idle when cold and smooth idle when up to normal operating temperature. See the EGR tech information, section #15 for more help. Many of you are familiar with the "Cranks OK, but No Start Checklist for Fuel Injected Mustangs" checklist and the No Crank...