20 Most Recent 1994 Chevrolet K1500 - Page 2 Questions & Answers


It could and most likely is a faulty Fuel pump.

1994 Chevrolet... | Answered on Feb 26, 2016


Pulling the tank is a hassle best avoided. If you just need to change the pump/sending unit it is way easier to lift the bed of the truck and hold it in place with lumber scraps. If you have your heart set on removing it then why not just do it once. Most of the guys around here just cut an access hole above the pump location ( with the tank removed ) then fab up and weld in a frame with a recessed lip and a plate to drop in.

1994 Chevrolet... | Answered on Jan 10, 2016


you can get the gasket for about $20. REmove the pan bolts and it should drop straight down. When you tighten back up make several rounds around the pan tightening bolts so they tighten evenly. DO NOT fully tighten each bolt before moving to the next bolt.


if you take itt in plan on paying about $150 to $200.

1994 Chevrolet... | Answered on Oct 13, 2015


There is a jumper on the timing circuit you have to remove. Set timing and put jumper back.

1994 Chevrolet... | Answered on Aug 09, 2015


The last pieces in the chain are the fuel regulator and the injectors. The regulator is inside the throttle body, but it sounds that maybe the injectors are not firing. For nothing else, check out the connections to the injectors. Possibly they are clogged. Try a few treatments of injector cleaner.

1994 Chevrolet... | Answered on Jul 06, 2015


Call Helm inc or go on line they print all of the factory manuals for the big car companys .You can get them way cheaper then a dealer .With a chevy these things are worth there in gold .

1994 Chevrolet... | Answered on May 08, 2015


This could be a whole range of problems from lack of fire to engine to a bad fuel pump or pressure regulator in the TBI but if all of that is good then check the Cat. converter to make sure it is not plugged or the muffler. As I have 1994 Chev Silverado myself I know you can pull the 02 sensor out ahead of the cat. and it should run better not well but better. It will relieve the back pressure to the engine.

1994 Chevrolet... | Answered on May 08, 2015


mostly all vehicles have a relay and fuse for fuel pump. it should be located in under hood fuse and relay box. good-day !

1994 Chevrolet... | Answered on May 06, 2015


Not as long as the fuel pump relay is functional.

1994 Chevrolet... | Answered on Apr 04, 2015


Wow. A snapped side shaft sounds serious. If you lift the front end of the truck, (or the rear end for that matter) the wheels will appear to be counter rotating, it is the way a differential works. If you turn the left wheel forward, the right wheel will turn backwards, and vice versa.
When you change to 4wd the front end does make a rather loud clunking sound as the gears engage. You should therefore change while the truck is stationary, then slowly move forward or back until the 4wd engages, then take off.
If your truck went OK on ice, it should go as well on pavement, just don't try to engage 4x4 while moving.

1994 Chevrolet... | Answered on Apr 03, 2015


Not with good results, the 4L60E is run by your ecm, the 700R4 while looking close to the same does not relie on your ecm for commands,it relies on a cable to regulate your line pressure.

1994 Chevrolet... | Answered on Mar 17, 2015


Firing order 18436572 driver side head is 1357 pass side 2468

1994 Chevrolet... | Answered on Mar 15, 2015


Spray some carb cleaner around the intake manifold you may have a leak there or possibly a vacume leak. If the idle changes when spraying thats where you look. good Luck

1994 Chevrolet... | Answered on Dec 28, 2014


Being your truck is a 1994, that means it's the OBD I operating or computer system. Now, if you know of someone that has a scanner that can read OBD I that would be great. What you are looking for is a scanner which can read live data as the engine is running, NOT simply a code reader.

You didn't say that the check engine or service engine light was on, but what I suspect is wrong won't "throw a code" so it doesn't matter if the light is on or not.

I highly suspect the coolant temperature sensor, NOT the coolant temperature sender, is bad.

I ran across 2 vehicles back to back that had the same basic symptoms you have described. One was an OBD I system, the other was OBD II. Both vehicles showed during a 'live scan' that the coolant temperature sensor was telling the computer the engine was -40°!!! Yup, MINUS 40°. This caused the engine to be getting fuel dumped into it like it was 40° below 0, even after the engine was warmed up.

The coolant temperature sensor tells the computer that the engine is cold, getting warm, or is completely warmed up.

As the 'puter is getting this info, it adjusts the air/fuel ratio, timing, etc. to make the engine run the most efficient.

The computer can only go by the info being fed by the sensors, oxygen, coolant temp. manifold air pressure, throttle position, etc.

If any of these sensors go bad and start 'lying' to the computer, the 'puter don't know the difference and adjusts according to the info received. Some of the sensors, when bad, WILL throw a code.

The coolant temperature sensor will NOT throw a code but it will cause a poor running vehicle.

Change the sensor. It should cost less than $10.

Hope this helps.

1994 Chevrolet... | Answered on Dec 01, 2014


its possible the shifters linkage is bent

1994 Chevrolet... | Answered on Oct 08, 2014


FUEL FILTER,COULD BE CATALYTIC CONVERTER.

1994 Chevrolet... | Answered on Aug 10, 2014

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