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    Help with Fuel Filter, 1997 Protege LX / Z5-DE 1.5L

    Thanks for the tips, but... (omg) Read your owner's manual! The service interval might have changed, but at least in 1997, these fuel filters need to be replaced every 60k! If you let the filter run too long, it will just clog and bypass the fuel without filtering it... in other words, bad...
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    Help with Fuel Filter, 1997 Protege LX / Z5-DE 1.5L

    I swore at it for a while, and it stared back unflinchingly, so I gave up and just cut the rubber hose. The fuel line that comes up to the filter was a PITA to get to so I could put the new hose on, but it wasn't as difficult as trying to move the clamp and remove the hose from the filter end as...
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    Help with Fuel Filter, 1997 Protege LX / Z5-DE 1.5L

    Sure have. The rear engine mount makes it impossible to get my hand up in there with a pair of pliers to get the clamp off. I mean, I can get my hand up to the filter, just not with a pair of pliers. Had Mazda put the fuel filter closer to the passenger side of the car, this job would be a...
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    Help with Fuel Filter, 1997 Protege LX / Z5-DE 1.5L

    Okay, I've got a 1997 Protege LX with the Z5-DE 1.5L engine, and I'm trying to replace the fuel filter. However, it seems Mazda was on crack when desiging the layout of the engine compartment, and so far, I've had to remove the air cleaner and hose assembly, drain the radiator and remove the...
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    1997 Protege LX idle speed hunting

    I don't quite understand why that would cause the idle speed to fall like it does, though, since the hose in question is before the throttle body. If the hose was between the throttle body and the engine, then it'd make sense... but the 1.5L Z5-DE engine uses a metal plenum in that space...
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    1997 Protege LX idle speed hunting

    Hmm... Makes sense. I do know that the car has occasionally been treated with Berryman's B12 Chemtool for fuel system cleaning, but after 100k, I wouldn't be suprised if the engine had some carbon deposits... As for the timing belt, how long do those generally last, and are they difficult to...
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    1997 Protege LX idle speed hunting

    Hey, I'm new here. I drive and work on my Dad's 1997 Mazda Protege LX with the 1.5L engine and 5-speed manual transmission, and it's got 104,000 miles on it. I've noticed that upon starting the car, or while driving, when letting out on the clutch to begin braking, the engine will stumble, and...
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