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Chevy Express/GMC Savana Starting/Stalling Problems

I have a 2000 Express van. Lately I have had this problem:
Go to start the van and if fires up for about one second then quits. Try and try it will not start. Dealer at first said it was the fuel pump. Replaced it. Months later still doing the same thing. It like the security system is telling the car not to start. After I let the van sit(1/2 hour to overnight) the van starts right up. I know of another Chevy (Suburban) that does the same thing. Starts, stops, won't start wait till later and then it will start. Can anyone help?
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Comments

  • I am having some problems with my 2001 Express. Driving and coming to a up-hill stop the van once in a while stall and won't start up right away. To restart it I have to turn everything off and let it sit for 30 seconds and then it will start up and drive again for a while. Only stalls out once a day. I check the computer for sensor codes that might be going bad and the only one that came up was a Crankshaft possession sensor (Code: P0335). But my mechanic did not want to replace it until he knew it was that for sure.

    A neighbor suggested replacing the fuel filter. I had my replace about 24K miles ago.

    VanOwnerAZ
  • I am having the same problem with my 2000 chevy express 2500, 5,7. Sometimes the heat and fuel gages, the speedodemer warning buzzer go dead driving or stopped. I have had it in the garage 4 times recently and everything runs fine and can find no problems. If you or anyone finds the answer let me know.
  • I think I found my problem. In the fuse block, the ten amp fuse marked gauges was loose, and fuse would move sometimes. This fuse covers 7 items including keyless entry, day light driving lights and some others. When I would bump fuse gauges and daylight light would go out. If you start the van and pull the fuse it keeps running. I built the fuse stub up with a little solder, working fine.
  • I have a 2002 Chevy Express that regularly stalls. I've had the fuel filter replaced. When the stall continued, I took it to the home of a mechanic that the salesman recommended. He put a scanner on it. Did notice that there was a low reading on the Camshaft sensor. He apparently reset it, and as we drove it for several minutes, we could not get it to stall. But the stall was back the next day and happens just about every day, normally occurs after the van has been driven somewhere and sits for a while, then driven again. After stalling, it generally starts right back up. Any suggestions?? Thanks, Don
  • I have a 2001 Express that cranks fine in the morning. Once I drive it for a little while, stop, and get back in to start again, it won't start. I jump it off and it crank right up. We have changed the starter, battery and have had the wiring checked? Any suggestions. HELP
  • Earlydon,

    I you solved your problem with your 2002 Express? If so what did you do, I'm having the same problem with my 2001???
  • I haven't figured it out yet. Fact is, the Express is not being driven right now. My oldest son and his family were using it daily, but they're in Russia for a few weeks so the van's just sitting. If I make any headway, I'll do my best to let you know what it was.

    Don
  • i am having the same problem and my mech. says it is in the security system. it only happens when it is humid outside (i live in the dallas/ft worth area and it was cloudy and humid yesterday. no rain). what did you do if anything. i am so lost over this!!! and out of money to fix it!!!!--i have spent almost $2000. changing this and that! thanks!!
  • I'm sorry you have had to spend so much money. I know that hurts. I have done nothing. I'm at a loss. But since you mentioned the security system, that leads me to wonder what would happen if you pulled a fuse, if there is one, for the security system. I'm not sure how you would check that. Did you your mechanic give you any tips?? Thanks Don
  • thanks for the support. the security sys. is one that is installed by chev. people. i asked my mech is we could bypass it and he said we could, but that the engine would have to be re-wired. he also said something about that the system shuts down something in the engine (he knows what it is--I forgot!!) if it thinks it is being stolen. he has checked with a few of his mech. friends and everyone is at a loss on this one. i thought i'd get online to see if anyone had any suggestions on what to do. what a mess!! darn those chevy people!!!
  • I've also heard about relays getting too hot and causing the stall, but I think that would need to checked out by Auto Electric people. This seems to conform to the fact that the stall usually comes after the van has been driven, parked for a while, then is being driven again.
  • i spoke to a master mech. with gm last night for about 2 hours online. he said it all sounded very strange to him and i need to get a code for him to help me any further. this means it needs to rain or get humid again causing my van not to start, and having it towed in to get the code out. what fun!!! i will check with my intown mech. about the relay thing. thanks again for all your support!
  • kderdakderda Posts: 2
    I have a van that turns over but won't start when it gets cold outside or if the weather is rainy or humid. I have changed several parts and it has been at the dealership several times. They are now telling me it is no long under the warrenty and I am still having the problem. Any help would be much appreciated! :sick:
  • Hi Their
    Did you ever figure out what caused this? My 02 Express, 4.3 V6 Vortec is doing the same thing. Sometimes runs for days, sometimes when sitting at the lights it stalls, then wont re start. If you wait for 10 minutes or so, starts right up and drives great. Maybe 3 hours latter, same thing. Computer shows no codes or errors. GM Dealer has no idea as they can't get the van to stall on the road test. Sometimes runs for 3 or 4 days. Sometimes stalls 3-4 times a day. Dosnt matter if its raining, cold, sunny, snow makes no difference. Fustrating as hell.
  • jodivanjodivan Posts: 11
    Getting so frustrated!! Daughter and out of work hubby have 6 kids and need van around 4-5 thousand, that isnt a lemon, with high ticket problems. Is this a good one or not? What do we look for?
  • kderdakderda Posts: 2
    I have a Savana and I love it when it runs! I talked to some one from GM today and they told me that they have not received any other complaints like what is happening with my van. But my father-in-law has a half back which is the same vehicle and the same problems as mine. He is very smart when it comes to these types of problems and still can not figure it out? I would be very careful if you purchase one.
  • I noticed my key was wiggling in the when trying to start up. I had the van towed when it stop on me. The mechanic said it sound like a shortage within the steering. I noticed they had tighten up the inition switch, and so far after 3 month it has not stop. I have always thought something was wrong within the key inition switch.
  • If you have a Autozone near by you can stop by and borrow their code reader. They loan it out for free to anyone. This way you don't have to get your van tow and you would be able to get the code for your mechanic. Lately I have been having similar problem with my 1998 Express 2500. Seems like for no reason at all it will refuse to start then after a period of rest then it will start up just fine. Have not figure out the problem yet. I try tighten up the battery terminals and that was okay for about two weeks then this morning it refuse to start again and I have not had time to look at it yet. If you have any further progress please keep me posted and I will do the same.
  • bakrdrbakrdr Posts: 1
    I have a '97 Chevy 1 ton van that had a starting problem repaired two years ago with the replacement of the injector pump computer. It ran fine for some time after that, but then would begin to cut out, acting somewhat like it was running out of fuel. If you shut down for an hour or so, you could sometimes drive 100 miles before it would hesitate again. Often I could use it for short trips for days with no problems whatsoever. I have replaced the fuel lift pump, pump relay, and jumpered the wires on the oil pressure sender in an effort to see if the culprit was in fuel delivery, but to no avail. Wondering if anyone else has had such a problem, and what was the cure.
  • lmfhlmfh Posts: 3
    Hi! I am new to the forum and absolutely NOT new to this problem. I own a 1999 Savana Van Conversion and starting the year after I bought it, this problem began. First time was on vacation (go figure)and only intermittently after that. Then as it aged, it began doing it in humid weather. (I live in sunny AZ, so I could always tell when my ride was going to play games with me)Again, as the van aged, it started to happen in humidity, in the sun,after driving it, while parked overnight...you name it. I have been to dealers, mechanics, everyone but the voodoo lady and they all scratched their heads. So I did some research on Chevy/GMC bulletins and the mechanics websites. (EVIL MUSIC) They did know about this and we are not alone. Its the revamped PASSLOCK SECURITY SYSTEM that got redesigned in the mid 90s. Bad news is there is no fix because they just sat on it until they did another redesign of the system after 2003. This is really the only thing you can do to get your car stated again, and it will start. When your engine fails, turn it off for about a minute. Then turn the key until the security light comes on. Let it sit in that position for 10-15 minutes at which time the security light will go off. Now crank her over and she will go! Works every time, you just gotta be patient. Sorry the post is so long and good luck to you all.
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