Question about 1989 Chevrolet S-10 Blazer

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I got a 89 chevy k5 blazer turns on relly good runs good but when i put it on drive or revers and give it gas it bogs out but stays on as i go it runs bad

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  • 61 Answers

Sounds like air fuel mixture so a new air filter and fuel filter change cant hurt. Change out wirers I would if it were mine.

Posted on Oct 14, 2013

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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dj_relly999
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SOURCE: 89 chevy blazer s10 runs lean and stays lean, if i

try replacing your battery, you may have a weak battery.

Posted on Jul 06, 2009

Molson02536
  • 3854 Answers

SOURCE: 89-98 chevy blazer

It's not worth doing all that conversion, buy the time you spend the time and money to convert the 89 4.3 to work on the 98 blazer, it would be cheaper to install a 98 vortec rebuild. The 89 4.3 have a TBI fuel injection system and the ecm on the 98 will not work and the bad news is that the ecm on the 98 also controls the transmission shift points and the 89 will not, so even if you swap the ecm to have the 89 4.3 engine work. the transmission will not shift. Sorry for the bad news but it would be cheaper to replace the 98 engine with the years of 1996 to 2001. Good luck and hope this helps. 

Posted on Jul 21, 2009

  • 3600 Answers

SOURCE: 89 chevy fullsize k5 blazer bogging down

It sounds like the engine is starving for gas however it could be a tork converter lock system malfunctioning, first check the transmission fluid is it brownish in color and smells like onions? if yes it needs to have the fluid changed and the filter replaced. Is it low? any amount of low fluid in the transmission it will act differently. Next if the transmission fluid is good, then you need to do a test of the fuel pressure by renting a pressure regulator and testing fuel rail pressure, this is easy to do and can save you some cash. Hook the gage to the schrader valve on the fuel rail, looks like a bicycle tire or car tire plug, hook the gage up turn the key to the run position do not start read the fuel pressure does it go to 40 PSI? yes? then turn key off and watch the needle on the gage does it go below 30 PSI in 60 seconds? If no then turn the key off remove the fuel regulator hose and start the truck does the fuel pressure go to 60 psi? if yes shut off engine watch the gage if it loses pressure after 60 seconds then you have a bad fuel pump check valve so you would have to remove the fuel pump.
One other thing how is your oil pressure? is it running high? Thanks for using fix-ya if you need more help let us know.

Posted on Dec 28, 2009

  • 1 Answer

SOURCE: 91 Chevy K5 Blazer turn signal flasher

i agree with them, but you know when you open the door and thatgod damn buzzer goes off until you turn on the truck? how the hell do you shut that off?
please email me Steveracer8@hotmail.com
thanks

Posted on Dec 31, 2009

  • 1 Answer

SOURCE: no fuel or spark on my 89 chevy k5 blazer

change coil pickup which is in the bottom of the distrubuter

Posted on Aug 14, 2012

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It's not worth doing all that conversion, buy the time you spend the time and money to convert the 89 4.3 to work on the 98 blazer, it would be cheaper to install a 98 vortec rebuild. The 89 4.3 have a TBI fuel injection system and the ecm on the 98 will not work and the bad news is that the ecm on the 98 also controls the transmission shift points and the 89 will not, so even if you swap the ecm to have the 89 4.3 engine work. the transmission will not shift. Sorry for the bad news but it would be cheaper to replace the 98 engine with the years of 1996 to 2001. Good luck and hope this helps. 

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