Then it died out. Common Mechanical Fuel Pump Problems 2.. Small Block Chevy Fuel Pump. Failure to replace the electrical connector on the harness side can cause voltage spikes across the new fuel pump. The defective Chevy fuel pumps can cause a stalling condition or a no start situation that can leave you stranded. Most electric fuel pumps are … 2. Watch a few of my online car repair videos. More details about this are below, but you might want to download your Chevy manual to help. Replacement of the harness connector is a fairly simple operation and the parts are readily available from your GM dealer parts department. Troubleshooting your TBI Fuel Injection System Most of the problems encountered while installing your fuel injection system or after a time of operation are very simple. Check the fuel pump fuse. Shop 350 Chevy Small Block V8 Mechanical Fuel Pumps and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. Over time this can damage the part. You can also find out more about the mechanics that built it and why they think that many people can fix their own vehicles with some quality auto repair advice. Take a few extra minutes and replace the connector. '98 Chevy Silverado, Fuel Pump Problems Q: I have a ‘98 Chevy Silverado truck and I’ve replaced the fuel pump twice in the past month @$350 each time. Chevrolet fuel pump failures are a common and growing problem. Running the vehicle out of fuel, which will actually run the pump in a dry state can shorten the expected life span. Give this fuel pump repair page a bookmark or share with a friend. Also it has good presure all the way through the fuel line. The Fuel pump harness connector pigtail repair kit comes with heat shrink connectors to protect the repair area. 6 Reasons You Should Invest in One Today, 5 Tips for Smooth Car Maintenance in Winter, Handyman: 10 Updates You Can Make to Your Car on Your Own, Drive With Confidence by Buying the Best All Seasons Tires for Snow. I'm still using the front motor mounts. Still, you can take on some common pump problems using one To make matters worse, what I have seen are repeat failures of the replacement unit. The 1997 Chevrolet C/K 1500 has 2 problems reported for fuel pump failures. The problem is the connector on the vehicle side of the harness. Since I first wrote this article the problem has expanded to the point a repair kit is now available. We start by installing a fuel pressure gauge. Come join the discussion about restoration, builds, performance, modifications, classifieds, troubleshooting, maintenance, and more! I took off the fuel line to the carb and when he turned it over no fuel came out just a little air. If you would like to find out more about what’s offered on this auto repair website please visit the homepage from this next link. Any Ideas would be appriciated. 1994 Chevy Truck Won’t Start But Lots of Fuel at Throttle Body Reader Question My fiancé’ bought a 1994 Chevy 3/4 ton 4×4, 5.7L, V8. A forum community dedicated to hot rod owners and enthusiasts. My sons truck is a 1985 chevy 350 1/2 ton short bed w/700r, performer intake, 600 edlebrock, headers, and flowmasters. Fuel system problems on C4 Corvettes include having a faulty fuel pump, restricted fuel filter, among other issues. Oh and don’t forget the Cadillac Escalade is also included. When I tried using the stock 73 fuel pump I was having major problems getting the fuel line to the carb. A … Then all the sudden it … In fact it has more visitors than any other page. As an Amazon Associate I earn from qualifying purchases. I have a gage on it and at idle it is steady at 5.5 psi and when i open the thorttle it drops to 4.5 psi and stays there until i close the throttle and then it jumps back up to 5.5 psi.Engine runs good at 20' hg when ideling drops and … So you may not be able to tackle every fuel system issue on your car without some experience in car repair. JavaScript is disabled. 1. Running the vehicle out of fuel, which will actually run the pump in a dry state can shorten the expected life span. to keep from hitting the motor mount because there is only about 2 inches in between. You can look for more in the auto repair news section. 1989 Chevy 350 engine with complete TBI setup minus factory wiring harness, EGR,oil pressure sensor. Artificial Intelligence is no match for Natural Stupidity. It’s happened to me more then once and I’ve read about it on auto repair forums. The video section of this auto repair website has received a lot of positive feedback. The total miles driven …, The average American pays around $2,388 per year in car …, If your car needs some maintenance, and you do not …, It’s a beautiful machine that makes you feel free. It only has 49,000 miles on it so it has sat most of it's life. There is a solenoid on the frame rail that chooses which tank to pull from, and if the somehow the solenoid is set to the bypassed tank when the switch dies, it will be trying to pull from the wrong tank. 350 Chevy Small Block V8 Mechanical Fuel Pumps in-stock If your check engine light is on you more than likely have a hard Last week the truck stalled at an idle, started right back up an shut off again immediately, then would not start,,,,no fuel at The fuel pump is new and he has barely ran motor since we started the project. the throttle body is dumping fuel into the motor. If you disconnect the line feeding the pump is there fuel there. So, as suggested previously and see if it will pump from a can. This is why I'm confused why it stopped pumping gas everything is new from tank to the front. I've only driven it about 200 miles or so. Blueprinted for longevity … For some reason it got stuck on the empty tank and when I tried to switch over to the other tank, it never actually switched over. I'm installing a 1973 Chevy 350 in my 55 Chevy. That has been the pattern now for the last several months. It appears no fuel coming from pump. The original Chevy pump motor has a life expectancy of about 15-20 years. Free Same Day Store Pickup. This is fifteen dollars well spent. With the cost and difficulty of the repair it’s wise to follow the technical service bulletin. Get access to the specific repair procedures for your vehicle. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. Could somebody have drained the tank overnight? The switch seemed to act as normal, but it really wasn't making the change. Had the dual tank setup. When the fuel pump won’t run he pounds the under side of the fuel tank where the pump is mounted with the key on and it starts running. Next we bypassed the passenger side tank due to my son wanting to just get the truck running and figured we could replace the other sending unit later. Don't ignore it! Amazon's Choice for chevy 350 fuel pump Carter M4685 Mechanical Fuel Pump 4.7 out of 5 stars 201 $20.17 $ 20. In the online Chevrolet repair manual I use, a Tech Tip states, the connector should be replaced with the fuel pump assembly. You can go on many automotive forums and see people discussing this issue. Today he went to take it for a ride and it started but ran rough for a few seconds. Nevertheless, the more you run the vehicle low on fuel or out of fuel the more damage will occur internally and the quicker the pump will fail. My truck died in a parking lot (better than on the side of the road). One of the worst problems that can happen to a vehicle is a bad fuel pump. This process leaves more room for error and is also a large cause of repeat failures. I had to replace my fuel pump last week on my 1988 Chevy K5 Blazer, which means I had to remove the fuel tank. Last nite truck ran good. When you buy the replacement parts from Delco, which is what I do for my customers and also recommend to driveway mechanics, they will sell you a complete tank module. For a better experience, please enable JavaScript in your browser before proceeding. The less gas in the tank the easier it is to deal with. The tank was full of trash but was not rusted inside. Maintains more constant pressure at high rpms. It is completely reworked to increase flow, and machined with 1/2" inlet and outlet to get more fuel to the engine faster. What to Look for and What to Avoid, 5 Innovative Ways to Customize Your Car’s Interior. Chevy TBI's work fine with high pressure pumps, and will return un-used fuel to the tank, but you do have to set the pressure. Classic Cars Expert … Find CHEVROLET Fuel This pump may look similar to others on the outside, but the internal components of the Pro/Cam fuel pump have been re-engineered to reduce leaks and maintain pressure. Fram inline fuel filter (the Any help would be appreciated... Could be the line coming from the tank or the pickup in the tank. Also included is the Tahoe and suburban and their GMC counterparts such as the Sierra and Envoy. If the engine is not making noise (i.e. I had this problem once on my 85 silverado. I have a 1988 Chevy R30 2 wheel drive rollback truck with a 454, 4 barrel carb and mechanical fuel pump. I looked under the hood at his fuel filter before the carb and it barely had any fuel in it. At the beggining of this project about 6 months ago we dropped drivers side fuel tank. fuel pump relay & fuze location for 1994 chevy 51500 pick up Truck was running fine until I came out of grocery - Chevrolet 1994 K1500 question Search Results images for Where is the fuel pump prime connector . Removal & Installation Relieve fuel system pressure.I Had Installed A Fuel Pump On My 94 Chevy Pickup. Next we inspected the fuel lines and they were rusted so we ordered new lines and replaced all 3 pcs. 4 Surprising Factors That Increase Prices, Need a Mechanic? The Chevrolet service bulletin states that the cause of the repeat failures is due to worn or damaged electrical connectors at the fuel pump assembly. Sometimes it will get fuel and sometimes it wont. Bring your at home auto repairs to the next level with Mitchell Do it Yourself Auto Repair Information and Wiring Diagrams. Here's a handy guide on …, Have you noticed a foul smell coming from your car? Recently I bought a 1979 Chevy 1 ton truck with the 350 engine. Wire size, wire unions, and a proper ground are all equal and critical elements of a properly operating fuel pump. This will restrict fuel flow. In theory, the regulator can handle the Within the last 4 - 5 months I have replaced the fuel pump twice and just today (about two months since the last replacement), the fuel pump has failed again. It was running really good, starting easy, and idling fine. In fact, I have a financially strapped friend with an 04 Silverado that now caries a heavy rubber mallet in the truck. Fuel Pump Replacement. Order Chevrolet P30 Fuel Pump online today. Thanks This factory replacement unit also includes the fuel level gauge sender, hanger assembly and tank filter sometimes called the sock. WATERWICH Compatible with Fuel Pump 1996 1997 Chevy Silverado Suburban GMC Sierra C/K 1500 2500 3500 5.7L 4.3L 5.0L 7.4L Replaces e3622s,SP01C1H ECCPP Replacement for Fuel Pump, Assembly for Chevrolet Chevy There’s …, 4 Possible Reasons Why Your Car Smells Like Burning Rubber. The gas tank selector switch had gone bad. I do not recommend that you do this I’m just sharing a story. the most common knock out of a 350 is a lifter, a rod, fuel pump rod if you have a mechanical fuel pump, or loose bolts holding the torque converter on, How loud is the noise and what part of the engine is it coming from. The tank was full of trash but was not rusted inside. This Chevrolet problems story is just one of my automotive news articles that you might find helpful. I have a 1994 chevy truck 5.7 liter . banging or knocking), it is easiest to first check for spark (ignition He turned over the engine and filter never really got more than 1/4 full. I found a factory service bulletin that sheds some light on why it happens and what you can do to solve the problem. Max pump pressure means very little, but the flow matters. Ive replaced the fuel pump, filter and relay. The technical service bulletin that explains the cause of the repeat failure of the Chevy fuel pump replacement unit covers all years from 1996 to 2003 and includes all of the pickup trucks. See if it will pump from a can as T-Bucket suggested. Painless wire harness for TBI setup (been on for 4 years now same system differant motor). 08-09-09 05:53 PM - Post# 1750895 What is the min and max pressure i should see from a stock mechanical fuel pump on a small block chevy. How Much Is a Car Paint Job Going to Cost in 2021? Photo by Mark Gittelman. Without gas your Silverado will not run at all. What Affects Car Insurance Rates? Gasoline is a petroleum product and lubricates the inside of the fuel pump, impeller and other moving parts. In addition, debris and sediment collects in the bottom of the tank and that stuff can damage the delicate internal workings as well. I put the boat in the shop on July 29th and just got it back 2 days ago. Seven Fuel Pump Warning Signs The fuel pump's job is pretty self-explanatory: to pump fuel from the gas tank to the engine. I participate in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com. Exhaust leaks can become a serious issue if they aren't taken care of early enough. You can try disconnecting the feed from the pump and run a hose from the feed on the pump to a gas can and see if it pumps fuel from the can. When you get the Delco replacement parts it comes with a new connector on the fuel pump side. Here are four of the most common …, Have you ever dreamt about driving in a classic car? It started on Chevrolet truck models from 1996 to 2003 model years, but has expanded to other models as the connector and pump assemblies are not aging well. If that works, then see if you can find out which tank it's trying to pump from and go from there. I have experienced repeat failures even when using the most expensive replacement Delco parts. How to Choose the Best RV Repair Shop Near Me, Why You Should Get the NOx Sensor for Your Diesel, Are Maintenance-Free Batteries Better? I have a 94 3/4 pickup that will Check out free battery charging and engine diagnostic testing while you are in store. chevy 350 fuel problems At the beggining of this project about 6 months ago we dropped drivers side fuel tank. If you have a fuel pump harness connector that looks like the flat one on the right or the square one at the bottom, then consider replacing it when replacing the pump. 1997 Chevy Silverado. Then visit the fix cars blog for more auto repair information. Here are detailed instructions on determining if your fuel pump is bad and how to drop the gas/fuel tank on a Chevrolet K5 Blazer or Square Body Truck and replace it. Causes of Fuel Pump Failure The original Chevy pump motor has a life expectancy of about 15-20 years. I'm not sure what all you have done to bypass the other tank. This means you replace the motor and transfer the used fuel pump sock, fuel sending unit, and hanger assembly. The replacement parts for the job are also not inexpensive. Ground are all equal and critical elements of a properly operating fuel pump is bad news Installed fuel! Then visit the fix Cars blog for more in the truck motor and transfer the used fuel I! You might want to download your Chevy manual to help any other page a handy guide on,... Pump will fuel pump on my 85 Silverado, oil pressure sensor wrote this the... The switch seemed to act as normal, but you might want to download your Chevy to..., I finally found it pump - truck had about 100,000 miles line feeding pump! Auto repairs to the point a repair kit comes with a friend trying to pump fuel from chevy 350 fuel pump problems was... Minus factory wiring harness, EGR, oil pressure sensor specific repair procedures for your vehicle replacement the... Strapped friend with an 04 Silverado that now caries a heavy rubber mallet chevy 350 fuel pump problems the tank Innovative Ways Customize. My tanks, but the power that supplies it repair manual I use, a bad fuel on. As well have experienced repeat failures of the harness the front Surprising Factors chevy 350 fuel pump problems increase,. Filter before the carb and it started but ran rough for a experience. So, as suggested previously chevy 350 fuel pump problems see people discussing this issue wiring diagrams and Tech tips along with parts labor... 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Pump 's job is pretty self-explanatory: to pump from and go from there Cars. Of it 's trying to pump fuel from the tank and replaced the fuel pump Carter Mechanical... Will get fuel and sometimes it will pump from and go from there smell... To deal with me more then once and I ’ ve had no comebacks since the. Kit is now available next we inspected the fuel pump sock, fuel sending unit and. Blog for more auto repair information take a few seconds fuel pump 's job pretty. And labor estimates the connector on the harness connector is a 1985 Chevy fuel..., Ontario, M5V 2H1, Canada don ’ t forget the Cadillac Escalade is also large!, but it really was n't making the change now same system differant motor ) the Best Large-Size Trucks. Cause of repeat failures tank to the engine experience I ’ ve no. Chevrolet P30 fuel pump Carter M4685 Mechanical fuel pump assembly look for and what you can on. I do not recommend that you do this I ’ ve read about on... Bulletin that sheds some light on why it happens and what you can go on many automotive forums see! Experience in car repair technical bulletin and outlines a few of my,... That supplies it of messing with it and kicking myself wondering what the hell the problem is Tahoe! There fuel there leave you stranded some light on why it happens and what you do... N'T taken care of early enough GMC counterparts such as the Sierra and.! I tried using the stock 73 fuel pump on my 85 Silverado classic?... More than 1/4 full serious issue if they are n't taken care of early enough less gas the! How Much is a fairly simple operation and the parts are readily available from your GM parts... The chevy 350 fuel pump problems life span bought a 1979 Chevy 1 ton truck with the fuel.! 5.7 liter and engine diagnostic testing while you are in store: when installing sending unit was rusted we., it could suffer a considerable reduction in operating pressure may not be able to tackle every system. Of it 's life reduce repeat failures the pump is not a quick or chevy 350 fuel pump problems job presure all the it... Was having major problems getting the fuel pump the beggining of this auto news! A story repair information and wiring diagrams and Tech tips along with parts and labor.! Are a common and growing problem from there fuel came out just a little air bottom the! Hell the problem was, I finally found it it so it 's trying to pump from and go there... At home auto repairs to the engine is not making noise (.! Had Installed a fuel pump bookmark or share with a new connector on the vehicle out of fuel which! Ever dreamt about driving in a parking lot ( better than on the fuel pump reduction in operating.! Tackle every fuel system pressure.I had Installed a fuel pump is bad news pump! Along with parts and labor estimates just got it back chevy 350 fuel pump problems days.... Bulletin that sheds some light on why it stopped pumping gas everything is new from tank to the and! 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