Question about 1996 Chevrolet Blazer

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My Blazer is bucking and eventually stalling. However, it starts up right away again and then stalls a short time later but will start again right away. I had the gas line replaced but there was no fuel filter put back in the line. Could the injectors now be plugging due to junk in the line?

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A 96 blazer....no idea how much gunk is in the tank but not good operating without a filter that old of a vehicle. Junk in the injectors or as i've seen once a old fuel filter is replaced or removed with lots of miles on it the fuel pump starts to fail or just plain fails totally. The free flow is more than it can handle.

Posted on Feb 09, 2018

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  • Chevrolet Master
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How long since a tune-up? Any applicable trouble codes? If you have the spider fuel system, that system is known for problems. I'd probably use a gage and check proper fuel pressure. Could be other issues? Intermittent can be a pain to track down.

Posted on Feb 09, 2018

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Posted on Jan 02, 2017

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SOURCE: cannot get 1987 chevy van 20 to keep running... stalls out

Best do a fuel pressure test. Should have chg. fuel filter from the get go. The only other filter is on the end of the fuel pump in tank. Bad gas and dirty gas will plug up fuel filter, hense burn pump up.

Posted on Apr 11, 2009

  • 335 Answers

SOURCE: I Have a 2002 blazer that starts but motor dies, surges when accelerating

If this engine is a VORTEC then you may have a problem with the internal fuel system. Under the top plenum there is a fuel reg and poppet valves that inject fuel into the cylinders. Sometimes the tubes that run fuel from the reg to the valves can leak and cause your problem. This cannot be found with pressure check because this occurrs after the reg. PS fuel mileage will go down. Let me know if this helps.Moe

Posted on May 26, 2009

  • 1 Answer

SOURCE: wont keep idle, car stalls out

I had this same problem on my 2005 monte carlo, took mechanic a while to figure out it was the idle air control valve. They also replace the idle air control motor.

Posted on Jun 05, 2009

jeffbvegas1
  • 520 Answers

SOURCE: 1992 Chevy S10 blazer 4wd (4.3 TBI engine code Z).

Replace ECM

Posted on Aug 15, 2009

Testimonial: "Thank you for your expert recommendation - right on the mark."

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SOURCE: 1999 Chevrolet Cavalier, surging, stalling

Check the Alternator, Mine was doing something similar to it, was almost dieing constantly, at stops in drive, lights would flicker alot on bumps and up hills when rpm's would increase. Also yea mine also got worse after it warmed up, I replaced the alt. with a reman. but unless it was professionally rebuilt by a local electrical shop (which are kind of rare now a days) I would just get a new one from a local parts house, Also you pay for what you get. Do not have the shop get the part for you because they have anywhere from a 10%-25% mark up on local parts houses which is close or above what you would pay

Posted on Jun 07, 2010

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2 Answers

My van won't start after driving a short distance, it will start again after 3 to 5 minutes but then will act like it's going to stall while I'm driving. What's wrong?


Hi Greg, I'm AL the owner of Big As Auto Repair in St Charles Mo

Greg, I read your complete message, but nowhere did I see that you replaced the Cam Sensor. The EGR will cause it to stall at stops but usually will not prevent it from restarting. I would try replacing the Cam Sensor before anything else. If you should need further assistance go to my website by clicking here: Auto Repair

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1996 Blazer is bucking and eventually stalling.


I would think the CAT. they tend to clog and make a rattling sound when driving .Seeing you say you did fuel lines witch is another issue with the vehicle in a snowy part of the country they rust out but your fuel pump must be working because who ever replaced the line would have known if the pump was bad they last 10 years then you have to up grade to the new pumps I'm not going to get in to that now.The only other thing it could be is the fuel regulator in witch case just replace all of the injectors and the regulator comes as a unit .But I think its more then likely the CAT is clogged .

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The security system can actually turn off the fuel pump, or the injectors. Read up on this link for some good info, symptoms, and alternatives to going to the dealer and spending 800 bucks.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

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Motor stalls when driving then starts and stalls right away.


Replace the distributor's magnetic pickup located inside the distributor surrounding the distributor shaft, the only other thing thankfully on this ignition system if memory serves me on the f 150 straight six 300 cu inch is the dura spark ignition control box, of course do the obvious tune up parts replacement dist.cap rotor,plug , sparkplugs before spending the $40.00 - $50.00 bucks on the dist.. pick up, you may have a weak a fuel pump check for adequate fuel pressure at carb 7 - 10 lbs.

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Have your fuel injectors checked !!.When they start going bad one or more will short out ,then the quad driver in the computer which controls injector pulse will shut down until it cools off a little.Then you can start your car .:)

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I had a similar problem on my 95 jimmy. It was something that took a lot of time and money to diagnose, but now 3 years later...no proplems. Emissions requires the truck to have an EGR valve (exhaust gas recycle) and this deposits gunk (carbon residue) on your MAF (mass air flow sensor) If you catch it in time you can use a carbon cleaner from Autozone or checker Lightly on the MassAirFlow sensor. If not in time you may have to have either the MAF or EGR valve replaced and these are expensive. After a long period of time being undetected eventually the EGR valve will start smelling like sulfer, this means its to late to clean and save!

Hope this helps

Jul 16, 2008 | 1996 Chevrolet Blazer

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