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Repair Topics / Gas Additive

Car Gas Additive Question and Answer

This category contains featured questions as examples. They relate to most vehicles.

Question: 1999 Toyota Camry, miles 113,000  I recently bought this car and whenever it rains, the car doesn't run once I have been driving for about ten minutes.  It runs fine after I put in a can of dry gas.  I was wondering if I have a hole in my gas tank.  Someone had told me that it might be the distributor cap but since the dry gas helps I don't think that is the problem.  Will the dry gas damage my engine? 

Answer: A reasonable amount of Dry Gas added to the gas tank should not hurt your engine.  It sounds as if you have a gas tank vent that has somehow opened allowing rainwater to get in.  Check all vent gas hoses to if any are split or disconnected.   Also, check the gas fill pipe for a leak.



Question: 1996 Chevrolet Impala mileage: 134,000.  Help!!!!  My impala is sick, I have just had the timing chain, distributor, replaced, also a second set of plugs and wires.  My husband the back yard mechanic also added gas cleaner, thinking that I had gotten some bad gas.  The car was running better, the main problem had been the distributor, but now it sounds like it is missing when its idling, and now it is making this loud noise like it has an exhaust leak.  Could all that stuff he added to clean the gas caused damage to sensors, or the catalytic converter.  What do I do?

Answer:  The wrong gas additive can cause damage to the oxygen sensor and/or catalytic converter.  Check the catalytic converter to make sure it is not “plugged” or restricted.  Your car is equipped with a computer controlled engine management system.  An independent auto service center can scan your computer for fault or error codes.  The information should pinpoint the malfunctioning components.



Question: 1995 Chevrolet 1500 mileage: 75,000.  I have a question with regards to Oil and Gasoline additives.  1) What is your opinion on these types of products?  a) Oil additives b) fuel additives 2) is it a good idea to use Fuel Injector cleaners even if you use good clean gas?  3) If it is a good idea how often should you do this?  4) How often should you change the Fuel filter.

Answer:  Major oil companies have additives in their products already that are required for your car.  We recommend changing fuel filters every 25,000 miles.

Repair Topics / Gas Additive

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