Question about 1992 Chevrolet K1500

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I put a timing gear set in my 92 chevy 4x4 350/5.7, it ran good til i got on the hwy, now my engine runs really bad and my tranny shifts hard only when it up shifts.

I did a tune up to my truck, then the timing chain went out, I put a timing gear set in, it ran good on the dirt roads, but once I got on the hwy and hit 75 mph, it bogged down real bad, I have no power, can't go over 45 mph, it revs up hi to get speed and it shifts down easy some what, but when it shifts back up and the rpm goes down, it shifts hard, like it slams in gear. I think I knocked out a sensor but don't know for sure and I can't get any help from anyone, and I can't afford a shop just yet.

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  • 129 Answers

Check and make sure your vacuum lines are all connected, even the air breather.

Posted on May 23, 2017

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 88 chevy 350 knocking or pinging near front of engine

Just for the heck of it, have you tried upiing the gasoline one grade?

Posted on Jun 15, 2009

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SOURCE: Auto Transmission in 94 Chevy K1500 will not shift into 2nd gear

Hi, yes I just had the same problem and the clutch packs inside the transmission are slipping. I had to replace all the clutch packs as well as the bands. The parts for this job really aren't that expensive. you could get everything you need for less than 300 bucks. however labor is where they kill you. It's about a 10 hour job or maybe 12 depending on application. average shop rate 80 an hour you looking at 900 dollars labor plus parts. if your mechanically inclined and have tools you could take your time and do it yourself. you can buy a step by step DVD for your specific application. other wise I would call around to transmission shops. their is a slight chance it may also be your solenoid pack. the best way to confirm is to have a transmission line pressure test done. I hope this helps!

Posted on Jul 16, 2009

iambanshee74
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SOURCE: 1983 chevy S10 sounds really loud all of sudden,

your exhaust IS plugged. you need to find out where. the cat would have been first however in this case.....what else in down line from the manifolds?

Posted on Dec 29, 2009

  • 617 Answers

SOURCE: I have a 1988 Chevy Silverado 4x4 2500 V8 305

check fuel pressure

Posted on Feb 05, 2010

skychief2001
  • 21873 Answers

SOURCE: Run away vehicle-99 chevy blazer wants to accelerate to 1500 rpm,braking will bring idle back down. What's problem?

In most cases problems with idle speed involve the idle air control valve or a dirty throttle body. The computer controls idle speed by how much air is allowed into the intake thru the control valve.
If the throttle is not sticking, I would check the valve and the bore of the throttle body.
You could also have a vac leak but that would usually be a constant problem.

Posted on Sep 19, 2012

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1 Answer

Why does my 1999 Chevy Blazer shift really hard into second gear without the RPM's increasing like the tranny's slipping?


Shifting hard broken modulator valve on the trany itself normally there a vacuum line connected to it

Mar 13, 2015 | 1999 Chevrolet Blazer

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jeep ZJ 94.
no car runs, out of gas,,,, my dream do to this , has failed, 100 times.
HHO failed, and x,z,y.
even the match book cover, showing "turn water to fuel" fails.
im pulling your leg,

running out of fuel , likes to burn up fuel pumps.
they are fuel cooled and fuel lubricated. so dont do that. or $$$$$$$
after you ran it dry, the pump can fail, or have hard time priming.
long cranking to get the full system primed.
is engine running ok?, you failed to say that important fact...so.....
if engines ok?
does car go fast in 1st gear, fact 2 missing.....so...........???
wont shift can mean , tranny slips or wont go to 2nd, 3rd gear.???
which is it? slips? so skips?
or shifts late?
or shift too early.?

id reset the tranny TCM. (brain)

one way is to pull the battery neg cable for 5 min.
wait and put it back
all TCM have learn mode. so drive and teach it how you drive.
newer cars , 1trans, fists vast number of cars so it has an
even harder learn mode (not yours)

tell more get more......????????????????

the FSM is here.
under ZJ.
http://www.jeep4x4center.com/knowledge-base/index.htm?utm_source=cj#service

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Automatic transmission not shifting gears


post year.
if tranny slips its bad tranny. (depends on year)
if the engine misfire and has weak power that is not a tranny issues
but a engine issue., have some how knows cars tell you which is which.

if you mash the throttle and the dash RPM goes way over 3000 RPM
that is in fact a bad tranny in any gear Forward or reverse.
shaking is the engine, i guess.

do you check fluid levels on your car.
and use the operators guide for the A/T tranny levels, dont guess.
use the book it has tricky steps. read it.

good luck to you.

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Check your input or output sensors on top of tranny. Check engine light?

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1988 GMC K2500 4WD PU shifts hard


Well since you don't know the trucks history is it possible that the transmission has a shift kit? Is it just banging into the next gear? Try changing the transmission fluid & filter maybe put some Lucas transmission additive in it too. I've had a lot of those old chevy's in the past 12 years. Some shift hard with no damage. I just drove me like that. Like you said it's an ol farm truck with 176k on it. Not a money pit.

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94 chevy v8 350 4x4 1500 jumps when I put it in gear and will not change into second gear until rpm's are maxed!


If fluid level in trans is ok it sounds like clutches in tranny or internal pressures are going bad.

Dec 07, 2010 | 1999 Chevrolet Silverado 1500

1 Answer

1983 chevy S10 sounds really loud all of sudden,


your exhaust IS plugged. you need to find out where. the cat would have been first however in this case.....what else in down line from the manifolds?

Dec 29, 2009 | 1983 Chevrolet S-10

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No shift or gauges on 92 Chevy 454


i would first look at the main harness going to your ecm(engine control module) there is a 60 pin connector the bolt that hold the connector is a 10 mm remove the bolt and remove the connector it should be clean with no burn marks to show signs of a short. if there are burn marks not only must you replace the connector but you fried the ecm as well and that needs replacing. also check your relays. often times even though you don't blow a fuse the relay still may short out. this is a good place to start. let me know the results

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3 Answers

My 1993 chevy van will not shift out of park


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