Chevrolet S10 Questions

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i replaced the flex fuel sensor with a replicator about two years ago. it only runs when the weather is cool or cold, when the temp comes up on a warm day the truck just shuts off. it does start back after a few trys i had the fuel pump tested it passed. the fuel filter has been also changed. not to long ago i put another replicator on it . still the same problem.

Why is there a buzzing sound in the fuel lines of my truck?

What I have found to date:
- When alternator is unplugged, the sound disappears (brand new alternator)
- When fuel pump relay is unplugged while running, pump continues to run but vibration changes pitch (relay gets warm when inserted)
- Fuel gauge has started acting funny (starts low and works its way to where it should be)
- Only seems to be bad on IDLE
- runs normal
- confirmed on stethoscope sound is only in fuel lines, predominately the return line
Any help would be greatly appreciated! I am very confused.

please explain or send a pic..thanks

I have been at the garage 5 times and it still won't pass NYS Inspection. The engine light was on and their computer came up with - 4 Not Ready Monitors. They changed the O2 & Heated O2 censors and the reading went down to 2 NOT READY censors. They are Catalyst & EVAP Monitors. I was told to just drive it and they would clear. Over 500 miles later, it still won't clear. HOW DO I GET THEM TO CLEAR???

So I'm thinking its the coolant temperature switch could I get a conformation on that

Change all spark plugs, plug wires, distributor, bug, vaccum hoses, egr, pcv firing order is correct. When it starts it idles high the falls a little lower then it should then has miss in low rpm 1000 or less it clears up at higher rpm no loss of power don't know how to read codes but the check engine light does not come on

It's a five speed 2.8 v-6 clutch pedal feels good. Fluid is good but the clutch is always engaed. So is the clutch out or teeth missing ??

I have a 99' Chevy S10/V6 4WD- Used the OBD II and got this code: P0453/Pressure Sensor Switch High. This just started, and have already cleared the S.E.L. codes, twice. Any help will be appreciated.

Fuel leak where line connects to the fuel rail. such little room to move a wrench, between block and firewall, and need to know procedure repair/replacement. Not familiar with newer vehicles, as you can see by username, seemed like an easy fix but now it looks like pulling the motor just to fit a wrench on it and this can't be! I'm very confident in being able to repair it and would like to know the proper order of procedures in order to assure i neither make the problem worse or more difficult then needed. Thank you sincerely for any help.

The vacum line is behind the tps on the passenger side of the motor

Also replaced fuel filter and it was completely clogged. And about a month ago my buddy crossed the jumper cables while trying to jump me off. And it melted the postive wire in half on my side. Don't know if that has anything to do with it

When I put it in drive it'll start backfiring through the throttle body if you give it a lot of acceleration but if you kind of ease into it it won't do it but you also got to get the RPM's up for not to do it .. but once the RPMs' are up you can give it full throttle with no problem

zr2 truck not blazer. when i push the button the 4wd actuator clicks, the lights flash but but then goes back to 2wd. the vacuum part is working but the electrical box isn't. how can i test the parts i need and then how do we fix it?

my heater motor works fine on low speed and medium speed but no on high

My 1995 Chevy s10 is idoling really fast. I have replaced tps,fuel pump,fuel filter, have checked for vaccumm leaks, replaced two hoses that I thought were leaking. I can't smell gas or exhaust coming from anywhere. What is causing this problem?

I have checked for vaccumm leaks,replaced tps,fuel pump,fuel filter,even one of the fuel injectors. It does out while driving. Once warmed up, it still idols really fast. But while driving I lose power and speed. Then engine dies. It starts back up but idols real slow like it's starving for fuel. What can cause this problem.

Is there a filter on a 1999s-10 heater core that I can change to keep me from having to replace the whole heater core

When I start my truck it starts fogging up all my my Windows & I was told that my truck has a filter that I can change to keep me from having to pull my whole dash out. Is there a filter or am I going to have to replace the whole heater color. Please I need your help I don't want to have to take the whole dash out. Thanks

My motor is running on 4 cylinders after tuning up my 4.3L V6,i put new plugs, wires, and cap/rotor on the motor but it's still only running on 4 cylinders. What could be the problem?