Question about 1998 Chevrolet K1500

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I have a 1998 chev truck repaired head gaskets started up and its running rough and giving a code 1345

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Camshaft postion sensor. unplug your battery for 30 secs,and then reconnect. the code should cear,and service engine light should stay off. if itomes back on,and gives you this code again,then check the electrical wire on the sensor for wear,and repair it. if it looks okay,then the sensor is bad and needs replaced.
whenever you work on the heads on this truck...its a good idea to just go ahead and replace the sensor.

Posted on May 02, 2010

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Posted on Jan 02, 2017

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these are somethings to look at the timing belt and the timing,intake manfold gasket test it to see if it has a bad head gasket or a bad head on the engine itself also check the fuel filter and the pressure on the fuel pump give these websites a try www.alldatadiy.com and www.autozone.com if all fails stop by your local library and get your hands on a Haynes auto repair manual for your car wish you the best of luck Michigan Man.

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My head gaskit was burn and I most change it.


DO YOU MEAN YOUR HEAD GASKET HAS BURNT OR BLOWN AND LETTING WATER INTO THE ENGINE.
Or has the gasket blown and engine missing on a cylinder,, and if so does the engine overheat/loosing water/running rough/white smoke out the exhaust pipe when you start up/and how long has it been diong it..
Must know the answers to all of the above so we can give you the correct answers...ASAP.. RON

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MY 1998 ACHIEVA HAS 120.000 NEVER GIVEN ME A PROBLEM IT STARTS RUNNING ROUGH THEN IT RUNS HOT ON INTERSTATE GOT IT TO A SECURE LOCATION. WHEN I WAS PUTTING IN THE WATER SOMETHING TOLD ME TO TO PULL OIL...


If you have coolant in your oil, it sounds like your head gasket has failed. This is not good. Replacing a head gasket is a major repair.

Try not to drive the car in this condition. Further damage, as significant as destroying the engine, can occur.

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Most head gaskets don't get in the oil, just leak into the combustion chamber, your friend is probably right, have another shop confirm his diagnosis

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