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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

92 Toyota Pick up, Hard Starting
Q: I am the owner of a '92 Toyota Pick-up with 80,000 miles. Recently I have replaced the fuel sending unit, fuel filter, distributor cap, rotor, ignition coil and plugs. My problem is that the truck sometimes turns over but takes a long time to start. When it does start it runs fine and will idle all day. I have no fuel problem as I am getting lots into the fuel rail. I replaced the coil on the advice of a Toyota mechanic. He felt the old one was not generating enough spark. This still did not solve my periodic problem. My question is: Could the igniter control box located on the top of the ignition coil be the problem? I really am looking for some help with this and do not want to pay the mechanic for any more than I have to............Paul

A: First, I would not rule out fuel as a problem. Just because you have lots of fuel available doesn't mean it's getting to the engine. If I'm not mistaken your Toyota has a component called a cold start fuel injector. The cold start fuel injector provides additional fuel, over and above the other fuel injectors, for start-up when the engine is cold. The cold start fuel injector relies on two items to activate it. A temperature sensitive thermal switch and an electrical signal when the engine is being cranked over for starting. A problem with the cold start injector, thermal switch or wiring can cause difficulty when starting a cold engine, extended crank time. A closer inspection of what it takes to start your engine should be done before replacing any more parts.

 
     
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