I have no personal experience I will have in a few days but only found this info on the … web. You will have to disconnect all electrical, fuel feed and return, vent and Fill lines from the tank,and the tank from the frame of the vehicle to gain access to the pump which is submerged within the tank. May not set a code because it is still in the allowable range. Most any shop offers this kind of service too - no need to use a dealer. It did it again this morning but not as bad. I don't prime the fuel pump. Since that is part of the pump assembly I'd have to change the whole thing anyways.
These fuel filters are less costly and work just as well, if not better than a stock fuel filter. I wanted to eliminate all variables. Here is how I do it: squeeze the ears on the clip together then push the ears toward the filter and quickly pull them away. Pump will make brief whirring sound - less than 5 seconds. Are you trained at all in drivability issues for your car? Has anyone added an inline serviceable filter like an aeromotive or similar product.
If an injector is not closing at certain temps, it will give rough running, until the injector hits the temp that it starts working correctly at. There is a good flow of gas through the pump at any level, and that will cool the pump as well. If it was the injector sticking wouldn't it run rough at every startup? Crawl under your vehicle on the driver's side under the driver's side rear door and look on the inside of the frame rail. It may take a few trys. Clean out the inside of the main filter that is under driver side door clean it very well with a rag and then … extra lube the o ring on the filter then lock the filter in and start screwing it in. You will need a couple open end wrenches.
Start truck in morning and it hesitates again, it doesn't do it every morning but it has been getting more consistent this week , run to store, etc and come out and restart the rest of the day with no problems. There would be a large temp difference between 6 am and 4 pm. On that point I quite agree, but nothing done or suggested so far is throwing parts or wasting money. A dirty air filter will cause your Suburban 1500 to lose 1 - 3 mpg, depending on your driving, you can save 70 - 100 gallons of gas per year simply by changing your filter regularly. That will give the fuel pump time to prime the system. Do you by chance have the electrical schematic drawing for the fuel pump? I personally have never had a pump go bad when the tank was close to empty.
You didn't mention if it was gas or diesel, but if it is gas follow these intructions. When you install the other filter under the hood dont screw it on all the way leave it loose so the air can escape the lines 3rd. After driving it a few times, the problem went away on it's own. I'm going to test it this weekend and if everything looks good I'll take it to the dealer and see what they say. Shut truck off and pressure did not drop. Get under it and trace the line from the tank to the engine. Take reading So you don't start the truck and take the reading at first start up? Answer Under the truck attached to drivers side frame rail, just forward of drivers seat.
With the pump running I believe the pressure should be around 55-62 psi. Turn the keys to on position then spiral thing pops up tells you to wait for spark plugs to warm up at the same time it primes the fuel lines too so turn it on wait till light go off, turn off the key and do it again about 5-12 times it can be as long as 2 trys if you did every thing perfectly and you will see or hear the diesel pooring out of the fuel filter under the hood. Designed by General Motors, applications for the 5. It only seems to happen when the truck sits for 10+ hours. Since mine only does it on the first start of the day do I need to cycle the key to on with truck off or start truck right away? I did not check each connection either, just unplugged and replugged the spark side. Start truck in morning and it hesitates again, it doesn't do it every morning but it has been getting more consistent this week , run to store, etc and come out and restart the rest of the day with no problems.
Didn't know your motor size but have added a link that will give you a start searching. So browse around our great selection of car parts and let's help with that auto repair or car upgrade! It is worth it to me to try. Time to add a filter! Gasoline smarts when it gets in your eyes. . There is also a wire loom that should be moved and most likely you will break the plastic holders, use your imagination with zip ties, or go by the acutal parts to relace the plastic holders. The video above, shows you where the engine air filter is located in your Suburban 1500 and how to change it! I have no idea what the pressure should be, but I am confident it should not be zero.
Facing your vehicle looking into your engine, have you knelt down and looked underneath behind the front bumper? This goes the same throughout the day running around town. It fires up the first time but just has a hesitate or miss for a few seconds. A new fuel filter can never hurt anything either. There are two ends in the fuel system, and both can cause a low fuel pressure. Reconnect battery, turn ignition on do not start. When were the spark plugs last looked at? Edited August 11, 2014 by Mossyoakglock Have you tried just turning the key on while you put seat belt on, then continue turning the key to the start position? May not set a code because it is still in the allowable range. I looked last night in my Haynes and I believe key on, engine off is around 55 psi and idle is around 45 psi, or somewhere around there.