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Blazer Fuel Pump Problems

100 messages,  Last post on Oct 14, 2009 at 1:24 PM

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#41 of 100 Re: Fuel Pump problem? 2000 4.3 V6 blazer [riverrat15666] by delluchi Nov 19, 2007 (11:56 am)
Replying to: riverrat15666 (Oct 09, 2007 5:40 pm) You such a great help. I have ordered a new fuel pumpfollowing your advice..God Bless you. Plsdo you know where i can buy a good repair manual? or where to download one for free Replies to this message: tidester (Nov 19, 2007 1:16 pm)
#42 of 100 Re: Fuel Pump problem? 2000 4.3 V6 blazer [delluchi] by tidester HOST Nov 19, 2007 (1:16 pm)
Replying to: delluchi (Nov 19, 2007 11:56 am) Try these:   Online Repair Manuals   Where To Find Your Car Owner's Manual Online   tidester, host SUVs and Smart Shopper
#43 of 100 4X4 Problems on a 98 Blazer Clunking by thumpingone Nov 22, 2007 (7:23 am)
I have a 98 Blazer I bought a few months ago... I have been getting very frusterated trying to figure out this problem.   The truck feels like I'm towing a trailer all the time, however the odd time it seems to lighten up. All the bumps on the road are very hard, very rough ride and when I go over bumps it bounces all over. Now when I put it in 4WD and hit the gas, I hear a cluck from the front left wheel. It almost sounds like a CV joint on a FWD car. But louder and harder.   I feel like these problems are all related to the same thing, but I can't find it. I've checked if any of the brakes are draging there all good. It possibly needs an alignment. If anyone can help, please do before I sell this thing!   Thanks Keith
#44 of 100 Re: Fuel Pump problem? 2000 4.3 V6 blazer [riverrat15666] by rdp2 Dec 12, 2007 (1:47 pm)
Replying to: riverrat15666 (Oct 09, 2007 5:40 pm) I just came across this old message you left for a guy who had replaced his fuel pump. i've got a 97 2dr Blazer, just replaced the fuel pump, and she won't do any more than idle. very little pressure at the pressure valve on the rear of the engine. the pump was listed as a MU112 E3953M. do you know if this was this the wrong pump? i don't remember what sticker was on it. sure would appreciate any help. thanx Replies to this message: nicsand (Dec 28, 2007 8:37 pm)
#45 of 100 chevy blazer 97 fuel pump?? HELP! by nicsand Dec 28, 2007 (8:08 pm)
Ive been having problems with this for truck for months now. I would be driving down the street and the car would just stall. No warning it just cuts off. A mechanic replaced the modulator.(Think thats what its called) It ran fine for about a week and a half. Then it started again. Only now its stalling all the time. I couldnt make it down the street without it stalling 3 or 4 times. The fuel pump would come on and stay on. It hums the entire time the car is on. Ive smelled fumes also. Now the truck doesnt start at all. It will turn over but wont start. Like it cant get gas. Had mechanic replace pump about year ago. Could it be the fuel pump or something else????   Thanks in advance!
#46 of 100 Re: Fuel Pump problem? 2000 4.3 V6 blazer [rdp2] by nicsand Dec 28, 2007 (8:37 pm)
Replying to: rdp2 (Dec 12, 2007 1:47 pm) Dont know if ur still trying to find out about that fuel pump but u can go on ebay motors. They have the two door listed as MU1063 E3954M. Hope that was helpful if you still need the info.
#47 of 100 2000 Fuel pump problems by chgoblazer Jan 21, 2008 (8:17 pm)
Pump not working Replaced the pump, lasted two weeks. Tried starting it everyday for one week No humm). Seventh day it started, why I have no clue. two days later it was dead again.(no humm) Got under the truck, unplugged it, checked the plug for hot,(GOOD). Checked the ground (GOOD), which is on the frame in the middle, remove spare to find it. Put a paper clip in the plug, from behind while plugged in the pump, so it made a better connection. Push the clip from behind. Now no problems Replies to this message: nicsand (Jan 22, 2008 4:07 pm)
#49 of 100 Re: 2000 Fuel pump problems [chgoblazer] by nicsand Jan 22, 2008 (4:07 pm)
Replying to: chgoblazer (Jan 21, 2008 8:17 pm) I'm no mechanic, but I hope this helps if u run into anymore problems. Along with my fuel pump(which if u havent checked ebay pretty reasonable) I had the ignition switch(modulator) changed. Did a little research online, found it to be common problem with these cars. Hope this helps.
#50 of 100 stalls sputters then dies by scrubsjim Jun 21, 2008 (5:31 am)
stupid dodge neon fuel pump?? it starts after a few attempts somestimes idles ok sometime VERY rough, give it some gas it stalls then dies HELP PLEASE

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