My tls, 2002 tries to start but will loose the spark. I have hooked a light in line with the plug and coil and can see the light in the tube begin to flash if it starts to fire. I have checked the grounds I could find, starting with the battery to frame and frame to engine. I also have one that goes to engine straight from battery. I have a good 12 volts from the coil with the key switched on (The one that's supposed to be on continuously with the key switch on). A couple of you guys mentioned the grounding check. I even looked up the grounds on my Alldata DIY. Both the coil grounding locations good, the one near the ps pump and the other near the t-stat housing. I checked many of the fuses. This is driving me crazy.