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GMC Safari/Chevy Astro

1889 messages,  Last post on Nov 13, 2009 at 9:04 AM

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#1866 of 1889 rear door issues by pwelka Mar 28, 2009 (1:48 am)
I got a 99 GMC Safari. Since about one week the rear upper door want open. It seems like some kind of electrical problem ´cause there is no sound after pressing the door button. There is some kind of lock mechanism inside which normally have to move both strings inside to unlock the door. the mechanism is working fine, I connect 9V battery and the mechanism moved. Is just problem with the button. I also sprayed WD40 an conntact cleaner inside. Nothing works. I checked already all fuses and relays-all fine. Maybe someone had the same issue. PLZ help.
#1867 of 1889 2000 GMC Safari has spark dead end at the distributer cap but by bob4374 Apr 14, 2009 (9:47 am)
I have a 200 GMC Safari 140K miles on it. We had one snow storm drop 13 inches of snow on us in Indy. The van did great in it but every since, when ever it rains or is wet out It wont run. I've changed the fuel filter, dis. cap, rotor, wires, plugs, O2 sensors, and cat. converter when the peoblem first started and it was spitting out the P0420 code one week after that big snow storm melted. I had the fuel pump changed for the 3rd time while it was still under warrenty about 1 month before the storm. Now it's stranded out in front of my house it has spark all the way to the dis cap but nothing from there. I tested the Cam Poss. sensor last night by backprobing the connector with the connector attached to the sensor and I got a pulse reading so I guess that sensor is ok. This is supposed to be the last wet day untill this weekend. So it might run tommoro Replies to this message: egillett (Apr 15, 2009 9:39 am) dlm1954 (Apr 15, 2009 1:07 pm) asully (May 07, 2009 3:56 pm)
#1868 of 1889 Re: 2000 GMC Safari has spark dead end at the distributer cap but [bob4374] by egillett Apr 15, 2009 (9:39 am)
Replying to: bob4374 (Apr 14, 2009 9:47 am) Sounds like you have spent a lot of time and money. Have you put any "dry gas" in it? Moisture / dampness could be the problem. Good luck.
#1869 of 1889 Re: 2000 GMC Safari has spark dead end at the distributer cap but [bob4374] by dlm1954 Apr 15, 2009 (1:07 pm)
Replying to: bob4374 (Apr 14, 2009 9:47 am) I would check for a bent exhaust pipe, my wife caught my tail pipe backing out of my driveway in all that snow and tore it off. If it had bent it,it would not have run right or at all. If you have fire intermittently at the distributor it also could be a bad wire on the coil that's not getting a good connection. I just replaced one on my motor home last year from sitting, the wire connectors had a coating of corrosion which attracts moisture. But that code is usually associated with an exhaust especially converter problem, I would check for bent pipes first; a bent pipe would play havoc with the O2 sensor I would think and I've seen it before. Their's also a main wiring bulkhead that plugs into the fuse box through the firewall that sits behind the battery the main ignition wire pulls so much power it will melt in that bulkhead and loose connection in damp weather, I've had a lot of problems with that on my ASTRO, it should have been hard wired but about every vehicle made is the same way, the wiring bulkhead plugs into the firewall into the back of the fuse box.                                   GOOD LUCK DLM1
#1870 of 1889 Re: 2000 GMC Safari has spark dead end at the distributer cap but [bob4374] by asully May 07, 2009 (3:56 pm)
Replying to: bob4374 (Apr 14, 2009 9:47 am) I had this same problem. I ended up changing the coil and the ignition module and it fixed the problem.    As soon as it was damp outside if wouldn't start. I hope this will fix yours.
#1871 of 1889 94 Safari, Idle problem by xander3 May 11, 2009 (4:18 am)
Hi.I`m the 94 GMC Safari owner. For a last couple of month i`m experiencing a rough idle problem.When engine starts RPM goes very high and when i`m shifting from P car jumps forward like crazy.Since I`m from Europe it almost impossible to find a good mechanic for an american car here.I changed an Idle Air Control Valve since the old one was dead but it didn`t help much.Now when engine starts it runs smoother but when i shift to D - same story and when i shift back to P the RPM goes even higher than before. Can anyone help me?Thank you. Replies to this message: spike99 (May 11, 2009 5:56 am)
#1872 of 1889 Re: 94 Safari, Idle problem [xander3] by spike99 May 11, 2009 (5:56 am)
Replying to: xander3 (May 11, 2009 4:18 am) .    My previous 2001 AWD Safari van did that. re: It too had consistant idle. My local mechanic investigated and discovered its throttle body was "gummed up" with too much dirt and crud. He cleaned this area with engine cleaner spray and it worked great afterwards. As a suggestion, remove your van's inner cabin engine cover (aka: "dog house") and do a good visual inspection of the engine's throttle control body area. If needed, do clean this engine area with lots of engine cleaner stuff as well.   Hope this helps...   .
#1873 of 1889 1995 Chev Astro No Start No Crank by minjon May 16, 2009 (3:44 pm)
I've read through previous posts but none seem to exactly match my problem. It is: 1) Intermittent crank/no crank condition. 2) May crank 6 times successfully, then no crank condition. 3) After leaving the vehicle overnight it will crank 1 or more times, then no crank condition. 4) Battery, cables, connections ok (including at starter). 5) When no crank, I do have lights, hear fuel pump run to pressurize fuel lines, etc. 6) When no crank, the solenoid is silent (no click, click, click). 7) When does crank will immediately start engine 8) Replaced the ignition switch already. 9) Starter/solenoid assembly about 1-1/2 years old. 10) Is there a mechanical relay between the ignition switch and the solenoid? If so, where is it located? 11) I have purchased a new starter, but hesitate to install it if there is a bad relay. This Astro does not have a fuse block under the hood as later models did. 12) What have I missed??? Thanks!
#1874 of 1889 Re: GMC Safari/Astro p0300 missing at 55mph [dsiever] by dsiever May 17, 2009 (8:17 am)
Replying to: dsiever (Aug 11, 2008 8:56 am) Hi Everyone, I have found the problem with this van and the bucking issue that it was having. First, I would have to say, that there were actually two problems. I replaced the air mass meter (found a brand new one on ebay in January for $60). This did correct the issue that I was having with bucking at 55 mpg or faster, however, I was still having a problem with starting the van. Up until about 2 yrs ago it started on the first crank everytime (I've owned this van for over 120k miles and 5 yrs)--however since then it has always been that I had to give it one crank, turn the key back then hit it again and it would always start. Last week, however, the van began to miss very badly on one particular morning and it then stalled and would not restart. It turns out that there was no gas flowing--the fuel filter was good--problem was that the fule pump was shot. I replaced that and it starts like it did when I first bought it--on the first crank, everytime.
#1875 of 1889 O2 sensor Bank 2 senor 1 removal 1997 Safari by navyblue May 28, 2009 (10:07 am)
I'm pulling code P0152 high voltage on Bank 2 sensor 1. Any ideas on what would cause that? Also how in the world would you get a 7/8 wrench in there to remove it? All books call for three sensors, 2 upstream and one downstream of the convertor but the drawing I'm looking at clearly identifies three upstream and is verified on my van? ^*$&# Any experience? Thanks Replies to this message: mauialii (May 28, 2009 11:08 am) navyblue (May 28, 2009 7:35 pm) Steve_01 (May 28, 2009 7:09 pm) navyblue (May 28, 2009 7:31 pm) Steve_01 (Jun 01, 2009 12:07 pm)

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