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The TBI/EFI V6 started in 1996, then in 1998 it became 4.3L EFI and in 2002 the 4.3L EFI became MPI

The 4.3 is used in many forklifts, Doosan,Cat, Yale…and manufactured currently. PSI LP fuel system. Good powerful engine for the 7000 lb up to 14000lb lift capacity. !!

For all the 4.3 experts is it possible to gain 50hp out of a cam

Ty hopefully that solve my problem, every time it rains my chevy silverado won't start I already changed the distributor cap and still nothing hopefully this will work ty

P My 97 is s tbi just like that!

I had a distributor cap go bad just from condensation before.

im having a problem with my 4.3 when it's hot outside at stops and lights it will lose power like wants to die no check engine light on tho i ended up changing my spark plugs and wires and it was running good just started it again what's the best wires i can use?

I was kind of hoping you would show what the no crank no start is when you hit the key but I'm boiling it down to the starter because the fact that I had my boss turned the key the other day and I touched the starter barely with a crescent wrench and it turned right over soul and five dollars bumper to bumper with the little discount I get through work and just doing it hopefully that will fix it I've had the truck just over a year and it's done this for the longest time I just haven't screwed with it because it always started and now it got to the point where it doesn't want to start

I need help my truck when I have it running for 15 or more minutes it turns off like if it’s out of gas

I have a 2003 blazer extreme. Is it a good idea to put in new fuel injectors. Original o replacement and were to bye ?

I just bought a used zr2 today its on my TH-cam

Just bought a 2001 s10 paid 600 it has 348k miles needs a windshield headlight and grille im just wondering if it can make it too 400k it still runs strong surprisingly

TBI was from 1987/88 and ended in 95/96.

What ithe tube that goes from the top of the passenger side Valve cover to the air intake? It's not the pcv. That comes from the driver's side. What is the one coming from the passenger side?

These S 10s are awesome!! The 4.3 is great!! Rides really smooth too. It's a joy to drive around.

Thank you !!! This video helped so much. After searching for a long time through useless ones. 😂🎉❤

I just bought my pathfinder a few weeks ago and it's got 4x4, ironically I've driven a stick for the last nine years and miss it horribly but I've never had a 4 x 4 so your video is exactly what my pathfinder is.. it's a 2001 with 4 x 4 and now i totally get it ..thx 😁

i had a 06 chev pickup with the 4.3 drove it 15 yrs, 415 thousand on it, engine was still runing very good when i got rid of it couldnt ask fo a better moter

Hi Thanks for the vid. I have a 1997 S10 4.3 and I have a question. I just changed the IAC and cleaned the throttle body. It runs really smooth, but it has an issue. What is wierd when I go past 60kmh and higher 2000 rpm and let go of the gas the rpm will drop to 1500rpm and stay there as the cruise control would be on but it isn't. So the car will increase speed a lil and keep going. So when I break and come to a complet stop it will go back to normal about idle 700 - 950 rpm. But when I go back to 60-70kmh the rpm will stick again to 1500 rpm. I am still able to push the gas to go over 1500 rpm but it won't get lover until I stop to 0kmh. What could cause this, any ideas? Thanks for the help! :)

Hi Thanks for the vid. I have a 1997 S10 4.3 too. I just changed the IAC and cleaned the throttle body. It runs really smooth, but it has an issue. What is wierd when I go past 60kmh and higher 2000 rpm and let go of the gas the rpm will drop to 1500rpm and stay there as the cruise control would be on but it isn't. So the car will increase speed a lil and keep going. So when I break and come to a complet stop it will go back to normal about idle 700 - 950 rpm. But when I go back to 60-70kmh the rpm will stick again to 1500 rpm. I am still able to push the gas to go over 1500 rpm but it won't get lover until I stop to 0kmh. What could cause this, any ideas? Thanks for the help! :)

Used to be a Chevy Technician at Carlsbad California and I just want to add. When it comes to these S10/Blazers. When it comes to fuel related. Go aftermarket. Don't go with the OEM fuel pump for example. Everyone who has or had a s10/blazer will or at some point will being replacing the fuel pump. GM messed around with a lot of fuel pumps and TBI etc for EPA. When it comes to other parts, I recommend OEM but not when it comes to fuel pumps. I've seen aftermarket pumps out last the OEM in these vehicles and you save a lot more money on the aftermarket too. DON'T FORGET TO REPLACE THE FUEL PUMP RELAY!!! I can't stress that part enough. People forget the simplest things sometimes and think its the fuel pump.

219k miles 99 Zr2 s10 no significant engine problems other than my water pump and heater core but once i lifted it and slapped some 33s i shit on my balls joints and pitman arms but replaced them and haven’t had any problems in over 20k miles

Im looking for my first truckI saw one on a lot for 2900 it had 123k how long do the transmission last in these truck and would you recommend this for a first time truck owner are they a headache to take care of I dont want to get something that I immediately have to start throwing money into

How do I get rid of the egr valve code

not bashing you channel but the your moving the camera or phone around so much that's the audio quality is shit ITS LIKE NAILS ON CHALK BOARD

The reason why they're so good because it's a roller cam with roller rocker arms they're basically easy to overhaul and rebuild

I have an 03 silverado, very sluggish from 4th gear, barley accelerates at all, runs smooth, cranks evey time? Ideas?

Are all 4.3s drive by cable (throttle body)?

Was trying to to replace the timing on a 2005 Silverado 4.3 engine and was having problems any pointers nearer did a timing chain help me out

I'm working on 02 zr2 4'3 I'm having crack but no start if you have a video that might help me let me know God bless

And the one with the coil box was on the 2007 Silverado 4.3 V6 that's when they improved it not talking about the equal tech that one came out good in 2013

That's right Marina did buy it with Marina does not use that spider fuel injection Good reason That's the improvement fuel injection for that engine. But also One of us still general motors on the 2007 4.3 they went with a non-distributor setup using a coil box and where the old distributor went they use a oil driver. And if you know how the program a computer you could go to clear unplug.

Not sure what forum you got your specs from a 4.3 is a redesign of the 5.7 but its two middle cylinders missing not the end ones. It also has differnt rods(differnt width on big end) the 5.7 or 350 has two rods on same crankshaft journal the 4.3 crank has individual journal per rod and bearing. same pistons bore and stroke. There is no vacuum under the breather pod vacuum is from bottom of throttle body down. Thats just suction from air coming in and will not be filtered. And mercruiser did not buy the rights to the engine Volvo penta and merc have always used/purchesed engines from Gm's marine division. How do I know this? Been marine mechanic 35 years. Merc just made there own induction system for the GM.

OEM 4.3 distributor is made of plastic and screws Holes strip out or crack

FORGOT - what the heck happened to your fan shroud?!?!?!?!?!?

VERY VERY INFORMATIVE!! Have a 03 S10 w/488k on it. Replaced the fuel injector spider a few yrs ago and strangly enough it used to get 17-18mpg but since gets 25-26!!! This is BY FAR the simplest engine I've EVER worked on. Runs like a champ. The REAL trick is keeping up on the vacuum lines and the exhaust. If you feel a loss of power, those two things save TONS of time on acceleration and power issues. Even the smallest loss makes a HUGE difference with this engine. Have had customer after customer come in and wonder what was wrong after lots of guesses. With THIS engine - FOR CRYING OUTLOUD BUY A OBD2 SCANNER!!! We're in the 21st century!! You'd be SURPRISED what ANY person can fix with the right tools and some COMMON SENSE!🤣🤣🤣

My 1998 4.3l s10 still is very reliable and dependable, it's been very low maintenance just the basic stuff like oil changes tune ups and filters.

I have a 1997 GMC Jimmy. The original motor had 181,000 when it started to have a slight coolant leak on to of the intake at the rear passenger side. I replaced the engine with a new crate engine at 180,000 miles it started doing the same thing. This time I just add coolant every few months and call it good. That engine now has about 250,000. I did replace the starter a few times, the Altenator twice, the idler pully twice. The distributor once from summit racing. Cap and rotor at least a half dozen times. The coil once with an excel. Plug wires twice. I think that is it.

Pulling a po300 code. 1 bank 2. Inginition coil? Great video by the way.

That’s fuckin mint

That's a flexpipe 😅

Love my 4.3 in my 1999 blazer LT 4X4, sadly this may be the end of its life as i think it has popped at least 1 freeze plug for the first time in its 25 years and now I'm just to old to be climbing under to diagnose and end up fixing such an issue. After reading just how difficult it can be to do such a repair and i dont believe I have it in me any longer to do it. I have always done my own repairs and kept her going for 25 years and 347k miles so far, gonna miss the old girl if it is in fact freeze plugs or worse yet a cracked block. 😢

This work whit 1996?! 7.3

*promo sm* 🤘

It looked like it was a brand new starter where did you get it at Napa

Need a DODGE

You're having a hard time buddy I hope you get it

Old video I doubt I'll get a response. I had new ignition parts installed. Now above 74mph it acts if the transmission is slipping. Rpm's will go up and the truck will slow down. Took it to aamco, they said the transmission is fine. They said it's a timing issue??? Took it back to the mechanic that did the ignition parts, they said the timing is fine. Any idea what it could be? It's an 03 4.3 vortec ZQ8. Edit: Forgot to mention the truck is only at 86k miles

When you go into 4L and you say push down, are you pushing down on the brake pedal?

Shouldn't the light be off after it's back in 2h?