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Occasional misfire under load and hard starting during hot summer days...

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Old 03-01-2013, 08:45 AM   #1
spdracer71 [OP] spdracer71 is offline
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Occasional misfire under load and hard starting during hot summer days...

1996 Toyota Tacoma 2.4L 4CYL with 248,000

New plugs (denso) wires
New distributor cap
New fuel pump
New air filter

I have been having this issue for a while now... Under load at higher RPM's (most of the time on interstate above 55 mph) I have an occasional misfire. Sometimes it's several misfires with in a few seconds of each other...other times it's just one and done and like today there wasn't any issues at all... I did notice a crack in my exhaust manifolds...could this be causing any issues?? Can I repair OR should I replace?? OEM or aftermarket??

During the hottest of summer days after running earnings/city driving if I turn off the motor it is very hard to start compared to cold starts or all winter starting
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