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Jim Grant Tech Tips Jim Grant Tech Tips
A collection of helpful articles based on reader submissions
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  Jim Grant's Tech TipsJim Grant's Tech Tips
Below is a collection of Jim Grant's Tech Tips sorted by Vehicle Make. These Tech Tips were answers to questions submitted to Jim by users over the course of many years.
If you have any questions, please feel free to email us.



Lincoln - Mercury
  Jim Grant's Tech Tips

'96 Plymouth Grand Voyager, Gas Smell From Heater

Q: I have a ‘96 Plymouth Grand Voyager 3.0L. I smell the fumes of gas when I turn the heater on. When I stand outside the vehicle it smells even worse. It doesn't smell all the time, but most of the time so I try not to use the heater. The dealers can't seem to find any cause and wouldn't you know it, it never smells when I take it to the dealer. Have you run into this before and if so, where else may the smell be coming from if not the fuel system?....Jeff

A: Your vehicle has the Dentist Syndrome. What’s the Dentist Syndrome? Whenever you go to the dentist for a toothache it goes away and you can’t tell which tooth it was. Gas smells mean there’s a gas leak. This is not a good thing! The most common gas leak problems we see are at the gas filter for Dodge Caravans, Plymouth Voyagers and Chrysler Town & Country . These vehicles are prone to fuel leakage at the fuel filter after service. That would be the first place I would look. If all looks good there then I would suggest inspection of the fuel injector housings. The case of the fuel injectors will weep fuel. This leak will quickly disappear once the vehicle is turned off. The engine heat causes the fuel to evaporate quickly leaving little to no trace of a cause. My suggestion? The next time you smell gas stop by the nearest repair facility and have them take a look. Scheduling an appointment is a sure fire way for the Dentist Syndrome to kick in. Yet a gas leak is a sure way to a fire!

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