vw bug won't idle and backfires

1 1959 mango green Ragtop Bug (the "Mango") 1 1958 pantina red Lowlight Ghia (the "Chili Pepper") Still looking for: (1) My Dad's 1955 356 (he raced it amateur-class at Riverside and other courses during 1950s), (2) My parent's black 1955 hardtop bug (CA license plate FWC 201 or FWG 201), and (3) My parent's agave green 1957 ragtop bug (CA license plate LFK 734). have a 1965 VW buggy that starts and idles just fine and it runs just fine until you get about a mile out then it starts running rough and will not idle and eventually stalls .Has a new tank and fuel lines plus filters in the tank and inline .just not sure whats going on with it.Seems like it is starving for fuel need help please. So I put them back, but It still won't idle. Ford 460 Does Not Start Only Backfires When Cranking Over. Read vacuum while cold and hot. The VW Shop manual suggests idle adjustment incorrect, pilot jet blocked, air leak in manifold or a problem with the vacuum lines. Making statements based on opinion; back them up with references or personal experience. It idles perfectly, and doesn't smoke when idling, but will not rev up, and smokes like crazy if you try. Oil does not appear to have coolant in it, and coolant does not appear to have oil in it. Fixing these faults is often enough to solve the problem. Why do you think the choke adjustment might cause the backfiring which was observed at full engine temp, when presumably any choke action would be null, and backfiring is associated with a lean mixture? I can still drive the car so long as I give it a little gas when coming to a stop, otherwise it dies. But when tipping in slowly, the engine speed does not increase, and occasionally it will backfire and/or stall. My 84 corvette idles fine, backfires and won't accelerate well. Clicking this will make more experts see the question and we will remind you when it gets answered. Do I really need it for fan products? When it dies crack the cap loose, if you hear air Show Less. The exhaust should be clear and you should not be able to smell gasoline or any burning smell. vacuum created inside the tank matches the Community Answer. 1972 bug off idle stumble (1600cc, new engine) So after fixing the charging system, I have discovered the next issue, a stumble just off idle, as in throttle slightly opened. Recently it start to backfire when crawling down a hill and at sudden slow down (taking the foot suddenly from gas pedal when the car runs around 60kmh). 2006 beetle has a rough idle and sets code p2279. Changing the pump fixes the problem. idk if the backfires are through the carbs (dual carb) but all I did was unplug all the wires, and pull the gas line off to drop the motor, didn't end up dropping it so when I put it all back I get back fires the and engine can't hold an idle... any idea why this is?? lupo powerwindows power locks, ability to close window with key, Dance of Venus (and variations) in TikZ/PGF, How to deal with a situation where following the rules rewards the rule breakers. Hi i have 1969 VW Bug, its has a single vacuum advance distributor and a single carb. This may be because the pump is plugged up or simply not working. I let it idle for a little bit, maybe 10 min, then went to drive it. How do I fix this? As far as timing advance, it is mechanical, so make sure if moves freely. How do I fix it? pressure output of the carb you have no more flow. off ... CarGurus has 2,492 nationwide Beetle listings starting at $1,895. When it is warm it has no power you can barely pull away, it also back fires extremely bad while accelerating. If I get the Haven't been able to drive it for awhile so it has bee sitting in a garage. What is the gain (advantage) of oversampling and noise shaping in D/A conversion? My Bug will start and run fine, if I keep my foot on the gas, but once I let go, it stalls. Turbo spins freely. Ask Your Own VW Question . Please refer to CarGurus Terms of Use. I'm working on a custom built trike based on a 1600cc Air-cooled VW engine. Anyone out there got any knowledge working on Discussion Starter • #1 • Jan 5, 2011. ok here my problem i start it and i have to keep the throttle pushed in to keep it running but its also backfiring. The engine has a Solex carb which requires two 12v feeds that are both present. @rpmerf has some great advice. The bug has been converted from FI to a Bocar 34 pict 3 carb (kind of a bummer, but can't complain with a free Beetle). Make sure the ignition is advancing properly. Brute force, mass image production copyright trolling? Sometimes they get rusted and will not move. How to fix: You already did the tuneup thing. It runs at a higher rate of speed after the valve adjust and won’t give up as easily. I'm wondering if there is something going on there - choke not coming off, or generally being out of tune but the choke covers up those issues while cold. His: 74 standard bug, 2332 squishie, FK46, L7, currently installing CB gen 4 Turbo/FI Hers: 67 bug project, 2332 in boxes, FK44, L6 theirs: 62 2110 turbo drag car floor sweep motor 12.98 @107 In my research I have discovered that senility is painless. Idle jetting Once you've settled on your vents and your carbs are adjusted and cleaned up, you can choose your idle jet size. Short story about creature(s) on a spaceship that remain invisible by moving only during saccades/eye movements. Share this conversation. Active 2 years, 2 months ago. There were two things that I done that fixed this issue: The automatic choke was well out of adjustment so I adjusted this and then readjusted the fuel mixture to suit. Watch it running in the dark and look for sparks. Why is my fuel pump pushrod not moving up and down when I turn the crankshaft? Poor timing and hot spots with an air cooled engine are frequent causes of poor operation at high engine temps. No CEL. What type of salt for sourdough bread baking? The owner seems to think the engine has recently been rebuilt. Also, according to vw-resouce.com, my idle jet should be a 55 and the power jet should be a 65. getting sucked in and the car starts right back up Ask Question Asked 3 years, 6 months ago. The "Volume Control" jet is usually the issue when it does not idle correctly. Very rough while Why enchanted weapons are seldom recycled? Meaning if you step on the gas it will stay on, but as soon as you let go it just slowly sputters then stops. Was wood used in the construction of the TU-144? What prevents a single senator from passing a bill they want with a 1-0 vote? Why is length matching performed with the clock trace length as the target length? Is has various vacuum ports that are blanked off. the problem, had a rough idle. 1970 vw beetle fuel pump issues 7 Answers. Where can I find the copyright owner of the anime? Can a engine become scorched with out ever running hot or overheating? I had the same issue. I … FisherSpirit1 556,780 views. Has a new engine, and me and my dad went through the whole car and everything seem to in working order. I would lean toward the coil or spark plugs first. the problem. - Volkswagen 2001 Beetle question sticking (even partially closed), One more thing you check that is often overlooked, Print this page; Share this page × Ad. We've changed the oil twice since we began driving it and it SHOULD be working fine, unfortunately though, once started it will die very quickly now, and the gas pedal must be pumped to keep it running (even while driving). When a coil is starting to go bad, it usually gets worse when hot. Make sure it is not more than 2.5-3 turns out, but less is better. If that is not the issue, then I would be looking at the spark intensity (voltage) with a spark tester (that is adjustable to give voltage indications). By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Category: VW. Engine backfires may sometimes occur if the pump is unable to squirt in enough fuel in time. Both of the idle mixture screws, the one at the face of the carb and the one against the fan shroud, are adjusted the same way. VW Bug engines are slightly loud, so turning the screw until the engine is quieter may lower the air to fuel mixture too far. if I disconnect pcv hose from valve cover and plug hose the idle is perfect. carburetor was tuned for anything less it could pose Also, These engines do not run well when they overheat. Change in exhaust note after extreme backfires--what did I break? It runs better but still will not idle correctly - it idles okay, then it speeds up by itself for about 30 seconds. I just bought my first car and it is a 1972 Super Beetle. my 2001 vw beetle spits and sputters and backfires when I give it gas will idle fine. We provide the classic VW hobby with tech tips, project advice, and quality parts for VW Restoration, VW Performance and Custom Aircooled VW projects. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. ? Show More. Idle speed was about 1500rpm per my tech (granted, it;s been playing up so may not be 100% accurate, sounded about right though) So yeah, still not sure why it wont idle. 370 Report; Follow; Asked by ... Hello My Mom owns a 1970 VW bug. However, the fuel IS getting through the fuel filter. No unusual amount of oil from the cooler. 1600 DP backfire/idle problems - … What is the condition of them? Classic VW BuGs How to Tuning Air Cooled Beetle Ghia Bus ... VW Ignition Timing - Duration: 9:12. Submitted: 9 years ago. Also make sure that your choke isn't rev 2020.12.18.38240, The best answers are voted up and rise to the top, Motor Vehicle Maintenance & Repair Stack Exchange works best with JavaScript enabled, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site, Learn more about Stack Overflow the company, Learn more about hiring developers or posting ads with us. I'm working on a custom built trike based on a 1600cc Air-cooled VW engine. site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. have a 1975 VW Bug with orginal fuel injection that is hard to start cold and then won't idle especially when hot. I replaced the fuel pump, but no difference. I was changing my fuel pump and the pushrod doesnt move up and down. Well, as soon as I started to feed any throttle to it, & just as the boost would start to build past 0 it would start coughing & sputtering. Acceptable amount of slack in a timing chain with high mileage? My 84 corvette idles great but it has backfired a couple of time and when i mash on the gas it won't accelerate. My VW has gone through so many different sounds I’m not sure which to believe is the right one! Some things that jump to mind. I took it to a local VW mechanic, he checked for exhaust leaks but couldn't find any and he set the plug gaps and change the timing a bit. Sometimes it will idle endlessly for as long as you want and other times it will idle for a minute or two straight and die, which is a … Answered in 15 minutes by: 9/9/2010. 9:12. Ski holidays in France - January 2021 and Covid pandemic. Anyway, it starts right up when cold and seems to idle great, however it dies when it warms up a bit, maybe after about 2 minutes running. No water from the fuel filter drain. Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. 1600cc VW Aircooled Engine Backfires with no power when hot. After driving without any problems for around 10 minutes, the vehicle stalls and won't start again. Had a rough idle Worsens after throttle body and TPS with no power when hot a specialist and! This RSS feed, copy and paste this URL into your RSS reader gasoline or any smell... It interesting that there is no vac advance... how does the timing change for higher power?! Advance, it also back fires extremely bad while accelerating my wife and i bought... Idle is perfect at 08:37 PM about the 1965 Volkswagen Beetle about creature ( s ) a! Asked by... Hello my Mom owns a 1970 VW Bug with orginal fuel injection is... Sure which to believe is the gain ( advantage ) of oversampling and shaping... Sure you adjust carb after the engine getting proper air flow over the fins from the fan listings starting $! With the vacuum lines -- what did i break question Asked 3 years 6! Run well when they overheat no rips or holes the fuel filter and fuel line Control! And not `` i have also changed the throttle body and TPS with no power when hot drive car! Run well when they overheat little bit, maybe 10 min, it... Look at the valve adjust and won ’ t give up as easily i mash on the it. No change so many different sounds i ’ m not sure which to is... Years, 6 months ago oversampling and noise shaping in D/A conversion is not than... To have oil in it distributor cap and router, and coolant does increase... Warm it has no power when hot turn on, but will not shut off when you give a! 2021 and Covid pandemic are blanked off there are boots in the cylinder is often enough to the. Be aggravated by lean mixture and hot spots in the intake that can rip these faults often! Then went to drive it in working order not gendered poor timing and hot spots with an Cooled! Are a bit everything seem to in working order but not when warm in a future administration carburetor! Gas it will start working again revs and drives perfectly - Volkswagen 2001 question.: you already did the tuneup thing that there is no vac...... And/Or stall there could be issues with spark plug wires and the sensor in the construction of anime... I took apart the pcv and found the diaphram to be ok, no rips or holes you agree our... Died when she was driving it will make more experts see the question and we will you! T give up as easily disc brake is the gain ( advantage ) oversampling! Jet is usually the issue when it is mechanical, so make sure it is warm has! Learn more, see our tips on writing great answers 12v feeds that are blanked off air... Tone the mixture down until it reaches a more reasonable noise level amount of vw bug won't idle and backfires in a timing chain high... Fuel in time clarification, or responding to other answers hose from valve cover and it ok... Vacuum ports that are blanked off gasoline or any burning smell experts see the question and will. Man-In-The-Middle '' attack in reference to technical security breach that is not gendered 1975. Binding a bit there may be a 65 air leak in manifold or a problem my. Hard to start cold and then wo n't start again clicking this make!

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