So, if there are problems with how the (PCM) performs these functions, the vehicle may not run. Found in Chevy and GMC trucks, 5. The easiest way to test the ignition coil is with a digital multimeter. Get everything back in hooked up. I decided to look under the distributor cap.
The truck is a 98 gmc 5. 3 Vortec and a 1997 7. So, the injector fuse and relay are usually located; in the relay box or power distribution center in the engine compartment. You said you tested spark and it's coming out of distributor? This is the third time I've reset timing fortunately it's easy, lol. They probably only replaced the plugs on the passenger side.. 5.7 vortec no start has fuel and spark engine. found out the drivers side is more of a pain-in-the a**... got the truck running.. and then sold it. Join Date: Oct 2008. Rigged a blinker light to test signal to injectors. I got about 80 down the street to flip around and it just died and would not restart. Location: Huffman, TX.
We are at the place where parts prices start at $75 quickly rise past $150 a part from there. And when you turn the motor over its almost like the engine cranks till it binds up in a way kinda sits still for a moment then starts to crank again. If and it's a big if. That said, it can be caused by more complicated issues, up to and including a bad ignition module.
But that would send a code if it was. Ended up pulling up the upper intake and found a few leaking lines and a little puddle of fuel in the intake, yet the data in the Modus said all ok and we followed the test instuctions that are in the modus. It had spark in the atmospheric pressure, but once the spark plug is in the cylinder with compression, the spark can not jump the gap. The ignition module is basically a relay. Engine Will Not Start - But, Fuel Pump, Spark And Compression Are Good. That tends to sound like a possible circuit fault somewhere. I've also checked fuses. Turns over but won't start.
I googled the right search terms for bad optisparks and turns out that this is a common problem that gives the computer a false code for the optispark and makes the engine act like the optispark isn't functioning right. Only think I have not physical check is the injectors actually spraying fuel, which I will do asap already have peallum removed. Just thinking of what it could be.. |12-18-2011, 12:07 AM||# 10|. Before you return the Durlast, take the ignition module with may be able to test it. But, With All That Working, Still, Your Engine Will Not Start. Thanks for the diagram as well... 1998 K1500 Vortec starts but won't run -- help. Edit - I also found this video helpful... Viewed quite a few of his videos... good stuff. It back fires out of the throttle body.
If it drops it's good if it doesn't it's stuck. 7 vortec engines are durable and reliable, as well as being easy to repair and improve on the whole. I replaced the Distributor... Also with that, the three parts I just replaced are less than 1 year old. The PO said he was driving it when it quit. Monday, July 20th, 2020 AT 7:06 PM. 5.7 vortec no start has fuel and spark used. Would a bad fuel pressure regulator stop fuel to the injectors? Last edited by RottenApple311; 04-25-2015 at 02:48 PM. Had the timing chain slipped?
Any vacuum leaks past the MAF can result in an engine not running To its full potential. One day I started it and it would barely idle and if I put it in drive it would just bog down. I want to run a jumper all the way from the battery to the pump, and try starting it that way. That's why this is the first thing you should check when you have a no spark issue, as it will give you a clearer picture of where the problem originates. Its appears to be right on. 99 Yukon 5.7..... No start. Have spark and fuel. So the question is how do you know you have compression? I actually do not know how to test a bad opti. The dots lined up perfectly. Recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this website. We are going to get back on this problem now, again. Says he has seen this problem on several GM's, and in these cases it was a burnt ignition switch. Spark will take the path of least resistance so even if the plug is seen to spark out of the engine as soon as it is subjected to cyl pressure, the spark will escape from a deteriorated plug wire or cracked dist cap. I thought that too, but it is indeed spinning.
If the fuel pump would come back on after initial start, the engine should run fine. And if the replacement he had put in it a year ago was an aftermarket one, the signs point even closer to that explanation. My only other thought is, pickup coil? 27 Aug 2019 21:05 - 27 Aug 2019 21:05 #33187 by John Curtis. He said the original motor had jumped time. Was the ignition control module replaced as well? 5.7 vortec no start has fuel and spark heater. If someone lays down by the fuel tank, the pump runs initially, but it does not operate for the "run" phase of the operation. 15k on a new GM engine. I took a known good spark plug and connected it to number one cylinder spark plug wire. Haven't had a chance to change out the cap and rotor yet. We pretty much can be satisfied from this sequence that the ignition system is fine and that the fuel injection system is working, except the pump at run.
So I'm firing completely on all cylinders and am immediately shooting flames out the throttle body. Here is a post with picks: Also note that your timing is not adjustable on these engines. Was created by simperfi84. With the new oil pressure switch in, engine has the same problem, so we know it was not that. Disclaimer and Disclosure: Due to factors beyond the control of, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. I have a 98 z71 silverado and it was doing the same thing. In either case, the coil should be replaced. There are no check engine codes as the engine wont run to even throw a code. Seeing that there were clamps loose, I also took note that there were new spark plug wires on the vehicle and decided to just check if the wires were going to the correct spark plug from the distributor cap. 16 ohms resistance on the injectors.
8 Causes and Fixes for 5. He says it does this as a safety so that if the motor stops running with the key on, you don't continue pumping fuel. I definitely have thought of jumping the pump direct to battery, and will do so if necessary. In extreme cases, the (PCM) may have failed. The "beat on the tank" method is for when the pump will not come on.
I replaced the fuel pump with a gm part 2 weeks ago, and it has worked fine so as I encountered this problem I looked towards the fuel pump relay and it looked swollen or bulging so I replaced it with no luck then decided to check for spark, and had none so I had it towed. 2. also its a 97 gmc Sierra 1500 extended cab with it being a 97 there is not a passlock security system on it they were put on in 98 any help will be awesome just need this thing to run. If the engine starts when a particular injector has been unplugged; that's the shorted injector that needs to be replaced. 12-21-2011, 07:46 AM||# 23|. Ground is pulsed, not +12. Spark means your pmc is getting signal from crank sensor. Last edited by ZR2Driver; 01-02-2016 at 08:42 PM. Received 3 Likes on 3 Posts. Good to know LT4obsesses, and thanks for the input guys.
Does the engine oil dipstick smell like raw fuel? I put a new cap and rotor on, and now it runs like a champ. Tried to go to work on Monday and no start. I contacted Howell EFI who I bought the ECM from and described the issue and was told its most likely the pickup coil in the distributor. It will start and run. I have heard from a tech that the Engine Control Module (ECM) has to see an ignition pulse train from the igniton system in either crank or run to keep the fuel pump coil energized. This was all of a sudden deal. FP relay should be good since I hear the pump run.
It is expected to run 200k miles at least if it is used properly and taken care of. After the first 1000 miles, an upgrade in intake or exhaust will give it a nice boost. Of torque at 3000 rpm, new 32 amp alternator. 051 cubic inches in 50 cubic cm. If one wishes to put on miles, they should extend the warranty without any hesitation. Coated, Braided Stainless Steel Brake Lines (front & rear). Frequently Asked Questions: - What is the displacement of the Harley Davidson 88B engine? This tactic resulted in a labor strike and a lower quality of bikes. The old part was that it was sidevalve, and an update of the W series 45. Since 1998 Harley-Davidson has also owned Buell Motorcycle Company. Here is a video on a twin cam 88 big bore kit: What is high mileage for a Harley? Products||Motorcycles|. How many cc is 88 ci. Due to the superior cooling of an opposed twin, Harley's XA cylinder heads ran 100° cooler than its V-twins'. 387064 cubic centimeters.
That September a milestone was reached when the fledgling company was officially incorporated. How many cc is 88 cubic inchem.org. When you replace the oil, you can easily measure it with the scale by opening the primary oil housing. 96 is a slightly modified one but expensive. They can be distinguished from the Softail by the traditional coil-over suspension that connects the swingarm to the frame, and from the Sportster by their larger engines. Introduced in 2001, the VRSC family bears little resemblance to Harley's more traditional lineup.
Cuts fuel and spark if engine idles more than 3 seconds above 288 F. Below 275 F, normal rear cylinder operation resumes. MILWAUKEE, WI (July 12, 2001) - What do you get if you take a Dyna Wide Glide and stock it 'til it's black and blue? The engine was a mix of old and new. 1450cc Twin Cam 88 Powertrain finished in Silver and Chrome.
Laconia Motorcycle Week - held since the first Loudon classic race started 1923. The Destroyer is tuned to make sub 10-second quarter mile runs in the hands of an experienced rider. Although the Evolution 1340cc is no longer in production, the Sportster model line of motorcycles received Evolution engines with 883 cc and 1200 cc displacements (manufactured 1986 to present). Glides can be identified by their full front fairings. The KHK version of 1955 included the cams, valves and other tweeps developed for the racing KR. Bullet Turn Signals. It's a new eight-valve Big Twin. It comes with so much good stuff that minor issues can be ignored. Earlier V-Twins had used "automatic" intake valves that opened by engine vacuum). Harley-Davidson Motor Company|. Grams (g) to Ounces (oz). Its additives are friendly for the engine and ensure the longevity of all the parts. How many cc is 88 cubic inches. Combustion chambers were made shallower by a further reduction in valve included angle to 58 degrees (27 intake/31 exhaust). The "big-fin" Twin Cam engine (Harley-Davidson promotional material stated, ("Better engine thermal management due to 50 percent more fin area and piston cooling jets") got its name from the fact that it has two cams in the crankcase to activate the valves.
Millimeters (mm) to Inches (inch). This engine comes with a dual coil system so that no spark gets wasted. Production piston clearance was set at. 8 cubic inches (1, 340 cc), and the engine produced 70 horsepower. 1988 Keihin 38mm butterfly carb continues, as does 8.
Touring models are distinguishable by their large luggage, rear coil-over air suspension and are the only models to offer full fairings with Radios/CBs. Overall, the engine system is reliable for its users. 2005-2006 Crank halves were cast, with cylindrical roller main bearing on sprocket shaft. In 2007, Harley-Davidson released a line-up of five Dyna models: Super Glide, Super Glide Custom, Street Bob, Low Rider, and Wide Glide. If you don't choose the right oil for the engine, it will soon break down, and you will have to replace it. This engine is smaller — only 69 cubic inches (1, 130 cc). Harley-Davidson attempted to trademark "hog, " but in 1999 ultimately lost the case, with the appellate panel ruling that "hog" had become a generic term for large motorcycles, and is therefore unprotectable as a trademark. Rapid growth continued into the 1990s, and in 1991 H. officially went international, with the first official European H. Rally in Cheltenham, England. Twin Cam 110 (TC 110) — Introduced mid-year 2009 the TC110, a 110-cubic-inch (1, 803cc) for the 2009 CVO models (Fat Bob; Softail Springer; Road Glide; Ultra Classic Electra Glide). Twin Cam 110 introduced. How much horsepower can you get out of a Twin Cam 88? Revenue||$5, 015 million USD ( 2004)|. This engine oil doesn't only include the primary fluid but also everything you need. This engine has a torque of 82ft-lb which is at 3, 500 pm.
At 5, 200 rpm this engine pushes 80 horsepower and thus ensures good efficiency of the engine. On August 15th 2006 Harley Davidson Inc. had its NYSE ticker changed from HDI to HOG. All 2007 and later Big Twins were equipped with Electronic Fuel Injection (EFI) and 02 sensors for closed-loop operation, allowing an extremely lean tune to be safely, and consistently achieved. Another Harley, such as Softail, has a different oil accommodation facility. Previously the 2011 line up of touring models had the TC103 available only as part of a 'Power Pak' option.
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