Question about Pontiac Cars & Trucks
Posted by Anonymous on
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Posted on Jan 02, 2017
po301 thru po306 all misfire codes cylinder 1-6 remove plugs and replace them..... set the plug gap first
i suggest u replace the wires also if they never been replaced all these misfire codes can set the others and one is for the oxygen sensor ( 02s or HO2S) CIRCUT MALFUNCTION do u know how to check wireing systems
do the tune up plugs (set gap) .052-.056 change the fuel filter also. clear the codes hows it run
this info is for 98 E-250 4.2Litre
what engine do u have 4.2L or 4.6L i know it is a v-6 by the codes
Posted on Dec 15, 2008
first be sure that its the engine light and not the "service" light. the service light will usually illuminate if its time for an oil change. if its the service light ur owners manual should tell u how to reset it. if its ur engine light then try disconnecting ur positive battery cable for 1 minute. that should reset ur ecm and get rid of the engine light. if the engine light comes back on then have a diagnostic scan done to determine whats causing it. LJ
Posted on Dec 29, 2008
This car does not have a auto trans dipstick, the level can only be checked by the dealer, this is a growing trend that started with most German cars, the filter is inside the trans pan and only needs changing every 60,000 miles.
Posted on Jan 06, 2009
Well lets see - resetting the Check Engine light will not, in itself, have anything to do with now not having any heat from your heater.
Why the Check Engine light was on in the first place may have a lot to do with it.
If your engine is low on engine coolant (antifreeze) your heater will not work. Low coolant levels and/or engine overheating will also set fault codes in your computer and turn the Check Engine light on.
It is NEVER good to reset a Check Engine light without properly diagnosing and repairing the reason it was on. At best, it could wreck your catalytic converters, making it extremely expensive to get through an emissions inspection. At worst, it could cost you an engine.
Posted on Oct 17, 2009
O2 sensor are located before and after Catalytic Converter ( exhaust system of your car). If you car's engine is 4 cyl you have 2 O2 sensors and if you car's engine is 6 cyl then you have 4 O2 sensors ( for each bank, 2 for left bank and 2 for right bank). Hope it helps and comment if you need more advice. Please don't forget to rate the answer it helps with my ratings, thanks!
Posted on Apr 28, 2010
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