'93 G20 Van Start Issue
#1
Junior Member
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'93 G20 Van Start Issue
Hello. As stated, I have the G20 with a 5.0 and 135xxx. This truck has started quickly since the day I got it. The other day I ran some errands, stopping in a couple of places. At the last stop the truck wouldn't start; it just turned over. As I was low on fuel, not out, I thought that perhaps the truck being parked nose down on an incline might be the problem. I got it level, put in about 1/2 gal of gas, but still no luck. I suspected a fuel pump. In desperation, I pumped the crap out of the pedal while cranking and got a brief start, but not enough to run more than a couple of seconds. I had it towed home, let it sit for a couple days, and then went out to look it over. I hit the key and it started instantly, running great. Any ideas what might be going on? Thanks for the help.
#2
Senior Member
True Car Nut
alot of times on the tbi engines the icm in the dist goes like that bad when hot. you could see if it fires on start fluid when it quits if so its fuel not ign.
#3
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2 days after I originally posted this, the truck started instantly. I let it run for a few minutes and shut it off. 2 days after that, and up to today, it won't start again. I finally got the chance to dig into the beast and took the dhouse and air cleaner off, and then tried to start with starter fluid. No start. I did see that my coil wire at the cap is ate up. I pulled the cap to check cap and rotor. The cap rotor contact pins where crusty, but I've seen worse, so I cleaned them off. I tried to remove the rotor, but it'* on tight. I'm afraid to put pressure from underneath for fear of snapping the outer ring around that gear mechanism in the dist. I will change the cap and rotor if I can get them off. I get fire from the coil to the cap. Next step is to see if I get fire to the plugs. Am I on the right track? Any ideas that might speed the process? Thanks.
#4
Senior Member
True Car Nut
if it wont run on fluid its a spark issue, so seems like you are on the right track, new cap and rotor are cheap enough on a tbi that i wouldnt screw with cleaning it
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