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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 ALLDATAdiy.com users over the course of many years.
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  Jim Grant's Tech Tips

'97 Dodge Dakota, Check Engine Light

Q: I have a ‘97 Dodge Dakota with a V-8 and the check engine light comes on. The computer says misfires detected on cylinder #2. The distributor cap & rotor, plug wires and spark plugs were all replaced. I even had the injectors serviced but the light keeps coming on and repair shop can’t tell me why.

- Curtis

A: I might suggest checking the intake manifold. The intake manifold on your vehicle is known for having vacuum leaks. The problem with this vacuum leak is it is not on the outside of the manifold. Because of this the normal diagnostic procedures will not identify the problem. The intake manifold on your Dodge has a metal plate on the bottom that is bolted and sealed to the manifold. The problem is the metal plate warps with age and the sealer/gasket fails. This creates a vacuum leak that is inside the engine. The vacuum leak will cause a rough idle, engine misfire codes and cause an increase in oil consumption particularly when hauling heavy loads or towing a trailer. If diagnosis proves that the gasket has failed you should know that Dodge has an updated parts kit for this problem. I guess you could say that you have to look inside the box for this solution.

 
     
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