Question about Mazda Cars & Trucks
The code is saying po193, been replaced. now showing random misfire too.
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Posted on Jan 02, 2017
SOURCE: 99 buick Lesabre
hey thanks for bringing me up to speed. ive been working on many other problems but with your great explanation i remember.
we need to check the compression on that cyl. and compare it to the compression on 2 other cylinders your choice.
but before you do this get a can of carb cleaner . and with the car idling spray around the intake manifold in the area of #6 cyl. what we are looking for is a small vacuum leak that would also act like this. with the engine idling and spraying around the intake the engines idle sould not change and if it does when you spray you have an intake leaking.
let me know how it turns out.
Posted on Sep 23, 2008
SOURCE: 2000 Camry 4 cyl 2.2L.
sounds like you have a problem with the spark the coil may be on its
way out or there may be oil in the spark plug holls shorting out the
your best bet is to pull the leads out 1 at a time and and look down and check for oil if there is oil there get a new rocker cover gasket.
if no oil refit plug leads loosely and start the car remove one lead at a time slowly and look at the spark cumming out the end off the lead is it blue? if so it is ok if it is yellow and dull you have a coil problem. also check that the spark is only coming out the end of the lead as it may be coming out the side of the lead and shorting to earth,
you can do this by slowly moving the lead around the top of the spark plug holl and see were the spark is coming from
be carfull no to shock your self as it hearts like hell
Posted on Jan 01, 2009
SOURCE: 2004 CHEVY AVEO THROWING CODES P0700 TRANSMISSION CONTROL SYSTEM,P0300 RANDOM MISFIRE DETECTED, P1781 ENGINE TORQUE SIGNAL CIRCUIT. CAR RANDOMLY DIES DRIVING ON THE HIWAY, PULL OVER,STOP RESTART CAR G
there is a Technical service bulletin for this problem, the number of the TSB is 01575, TSB Date:January 1, 2004
It has to do with engine valve seating problems.
Posted on Jun 03, 2009
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