Why does my 73 Super Beetle keep stumbling?
Once the rebuild of his ’73 Super Beetle was complete, Dave still had an exasperating problem with the car “stumbling” on acceleration — whenever power was called for, like even after a shift change, the engine would stutter and sputter and sometimes die. It initially seemed to Dave that the accelerator pump was not giving an adequate “squirt.”
Can a Haynes aftermarket manual prevent a backfire?
Yes, many backfires can be prevented with a little maintenance as suggested in your car owner’s manual or the vehicle repair manual. If you don’t have your repair manual yet, you should get one. Get an inexpensive Haynes aftermarket manual at Amazon for your particular vehicle make and model.
What causes a backfire on an unburned engine?
Unburned fuel then is allowed to pass into the exhaust system where it can backfire. The same type of problem can be caused by a worn out or damaged spark plug wire. A bad wire will make the spark’s travel difficult, weaken the spark, or simply push it into an adjacent wire or to ground, resulting in a backfire.
Can a worn out timing belt cause a backfire?
A worn out timing belt can upset the combustion process and lead to backfires. Gasoline engines need to fire spark plugs on time to properly ignite the air-fuel mixture inside a cylinder. On time means that sometimes the spark needs to be fired ahead in advance or retarded depending on engine speed and load conditions.
Once the rebuild of his ’73 Super Beetle was complete, Dave still had an exasperating problem with the car “stumbling” on acceleration — whenever power was called for, like even after a shift change, the engine would stutter and sputter and sometimes die. It initially seemed to Dave that the accelerator pump was not giving an adequate “squirt.”
Why does my car sputter when I drive?
Driving should be smooth. But, if you are driving and your car’s engine starts sputtering the first cause of concern would be low fuel. However, if your fuel gauge is full it could be a symptom of further engine problems. A blocked fuel injector can prevent fuel from reaching the combustion chambers.
What kind of engine does Dave’s Super Beetle have?
This is not the first time that Dave had trouble with the accelerator pump. While his Super Beetle is a 1973 model, it has a 1971 1600cc dual-port engine. A previous owner installed an alternator in place of the generator (used on VW engines up until the mid-1973 model year).
Why does my Super Beetle hate to run with a full fuel tank?
Whether this is the reason or not, Dave’s Super Beetle HATES to run with the fuel tank less than a quarter full. Insufficient “squirt” from the accelerator pump — usually due to improper adjustment of the accelerator pump. See our Acclerator Pump Adjustmentprocedure. The idle jet in the carburetor may be too small.
When does a VW engine have a stumbling problem?
Dave found that his stumbling problem occurred only when the engine was hot, but not when it was cold. During a meeting with John Connolly (Aircooled.Net)Dave learned that a stumbling problem when the engine is hot but not when it is cold is indicative of a too rich mixture problem.
Is there a problem with my VW Beetle?
Getting it towed to dealer in AM and letting them have a go at it. The problem I am seeing is a little different than some of the replies (although we are all in same srewy boat). The car will start for a couple seconds (about 2) then die, prssing accelerator when startign starts to rev it when it starts then dies.
Why does my VW Beetle have hiccups?
Every now and then the car has these sort of “hiccups”, where I feel the fuel isn’t getting to the motor sufficiently and the car begins to have spurts of speed and then will cut off and then on again.
Why does my 1969 Volkswagen Beetle not idle?
I have a 1969 Volkswagen Beetle that will not hold an idle. It will start up just fine and as long as you have your foot on the gas, it will stay alive. As soon as you let off the car sputters and dies. Another symptom is that the is a miss in the engine, not sure if the two are related or need to time it and then check on the idle.
What to do if your VW Beetle Burns?
Beetles are known to burn valves. Also did you check the valve clearances? If a pair (Intake and Exhaust) were excessive check the tightness of the head nuts. You might have a stud that has pulled out of the case. Check the tightness of the manifold to head nuts.
Why does my VW TDI diesel engine Hiccup?
Some people think the hiccup is caused by the turbo: it isn’t. If the turbo stops, you will have tons of black smoke, and your car will limp or stop functioning. Oil Side Note: VW Diesels require special oil to be used to prevent rapid cam wear.