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p0171 and p0174


jovan915

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getting the code doesn't wanna go off I replace the bad pcv hose tighten everything around the air box and on the engine disconnected the battery to reset it when I fixed it no luck any ideas

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no the original owner (im the second) just left his car sitting and used it only in the city got it at 42,000 rightnow its 82,000 had it for 3 years this past year iv been replacing all the parts that needed it. my mechanic sprayed around the top of the engine with brake fluid we heard a weird noise, right now we here hissing noises, im going to use incents and see if there is a leak before we take the tom part of the engine is there a vacume hose the runs there?

Edited by jovan915
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...check the vac hoses that go from 1)intake manifold to vac 'branch' for fuel pres reg etc etc...the small plastic lines tend to get brittle and crack with age  2) vac line from intake manifold to brake booster..easy one to check for leaks..

If you have no vac leak in the vac 'lines' then chances are its the intake manifold gaskets...

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