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I just got a 96 s-10 blazer and oil comes out of the throttle body. whats wrong? got it for parts but if it can be fixed ill spend the money.

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Do a compression test.if there is blow by and there is excess crankcase pressure,or a defective pcv ,there could be oil in the throttle body,as the crankcase gasses that are supposed to be re burned contain oil.if there is in the range of 200000 km,it is possible.

Posted on Dec 30, 2010

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The engine and automatic transmission in this vehicles drive train are fully electronically controlled by a computer called the PCM and TCM (Power Train Control Module, Transmission Control Module). When a problem like this or other drive-ability related problems occurs the computer stores a record of the problem (there are of course some exceptions to this, like the fuel pump, engine coolant temperature sensor and MAF sensor for instance) in the form of a fault code in its memory, to read these fault codes you must have the systems memory scanned with a special tool. Once the fault code(s) are read you then must perform the appropriate diagnostic testing to find and resolve the problem(s) DO NOT REPLACE ANY PARTS UNTIL A TRAINED TECHNICAIN HAS DIAGNOSED THE PROBLEM TO AVOID SPENDING YOUR HARD EARNED MONEY ON PARTS THAT MAY NOT CORRECT THE PROBLEM

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I hahe oil in the throttle body on a 96 s-10 blazer. rebuild or is it something simple to fix? help


To start out....clean throttle body first and replace PCV valve...drive it around for a few weeks...check again...it should be either still clean or same...if same..have to find out where Oil is coming from...im sure tho this will fix problem

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What would make oil come out of the throttle body on a 96 s-10 blazer?


check your pcv valve your crankcase may not be getting proper ventilation.you can find it on one of the valve covers. its a plug in directly into the valve cover and it allows for proper ventilation to the bottom of motor. when one gets clogged,they tend to **** oil into the throttle body of the motor. thank you for choosing fixya.com

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Code P2158/ Throttle Body


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change air filter.clean throttle plates.remove throttle body remove all electrical parts also all plastics and rubber parts.clean throttle body with gum out throttle body cleaner.dry off throttle body.replace gasket.scan it to check to see if egr valve leaking.also check all vacuum hoses.and pvc valve.

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