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Vans & Minivans GMC Safari & Chevy Astro GMC Safari/Chevy Astro Starting/Stalling/Idling Problems
155 messages, Last post on Dec 01, 2009 at 12:48 PM
You are in the GMC Safari & Chevy Astro Forum. Your Host is Karens
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Replying to: keico (Jan 29, 2009 2:48 pm) It just stalled and wouldn't start. After towing it home, I couldn't hear the fuel pump engage at all. So I dropped the tank, and rebuilt the pump. Low and behold she fired right up As far as the the fuel filter, I cut the lines and used a fuel line repair kit, so i could install the the new filter. I will say this much. This was no easy job. The bolts that the secure the fuel tank straps were rusted and would not bulge. Two of them would not budge. So I had to cut the straps. Anyway I ordered new straps and am in the process now of cutting into the floor to install some new bolts. Removing the fuel lines that run from the tank (Which are suppose to be quick connect) was very time consuming. There was a lot of rust buildup. I am just happy there were no fuel leaks. Anyway by tomorrow i will finally be finished and back on the road
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Replying to: keico (Mar 18, 2009 2:56 pm) But that trick saved my neighbor a tow with his Aerostar last summer. Steve, visiting host |
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I replaced the crankshaft position sensor and now the engine seems to run better, but still not good. Now instead of all the misfiring, choking, and puking, it just seems to be a bit underpowered. Before replacing the crank angle sensor, if I would give the engine a little throttle, it would sound like it was about to self destruct. Now it runs much better but it has a stumble and/or hesitation and runs smooth at a constant RPM. I believe the crank angle sensor was definitely part of the overall problem. I just ordered 6 new separate injectors and am going to rebuild the injector unit myself. About $150 for a set of brand new, not rebuilt, injectors. I'll let you know how it goes...
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Dear shortline, Did you find the answer to why your astro dous not have lights or fuel pump? Please reply, thanks. |
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Replying to: Steve_01 (May 05, 2009 7:00 pm) The injectors made a huge difference. I'm definitely headed in the right direction. The issue I'm having now is that the catalytic converter and at least two O2 sensors are bad. The engine is running rich due to the inaccurate information being sent from the bad O2 sensors. You can actually hear the fuel-rich exhaust combust in the catalytic converter. It sounds like a loud one time knock (not engine ping) intermittently. I have a new catalytic converter and four new O2 sensors on order from AutoZone, a little over $300 total. I'm praying that this will be the final piece of the puzzle. I'll have another update after I get the new parts installed. |
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| Im having trouble removing fuel lines for GMC Safari pass. Van Yr.2000 do i need a certin tool or equipment. | |
| I have a 03 GMC Safari. When I try to start it it acts as though it is flooded and won't start? There is fuel and the pump is working. Help | |
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Here is my story. About 2 years ago my 2000 Safari started having all the problems described in the previous post here. Error code p300 random misfires. Engine would act up when it was wet out rain and snow. After a complete tuneup wires,cap,rotor,sparks fuel filter and a complete check of the fuel system and injectors it left my mechanic scratching his head. Now for the clincher at the same time the engine problems started my turn signal switch started to act flakey the left momentary turn signal stopped working and when it was wet and cold the turn signal would work on and off depending on the weather conditions. In my mind it was time to trade my van in and be done with it. But I love this van and did not want to part with it. So I started thinking could it be the turn signal switch causing a short to cars circuitry when it is wet out causing the misfires. Would my mechanic think I was a total moron if I told him my theory. Well I bought a new switch assembly cheap and had my mechanic put it in not telling him about my theory or telling him I was still having engine misfire problems. Well it has been a year now without any engine problems in any kind of weather. Runs like a champ. Who would of thought! |
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| My 1993 GMC Safari has been sitting in the driveway unused for about a week. Before this it ran just fine. When I tried to start it the alarm went off and the engine wouldn't start. The batteries for the remote door lock switch had run out, so I replaced them thinking I could disarm the alarm. No such luck. Tried to start it again, alarm went off. Now nothing works - no lights, power door switches won't work, the alarm light has gone off, etc. Thought it might be the battery (which is new, by the way.) Tried to jump it to no avail. Is it possible that the security system somehow disabled something preventing the engine from starting? If so, what do I do to bypass it? I bought this vehicle used about a month ago, so there's no user's manual. I love my truck (van) and want to drive it. Can anyone help? | |
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