Question about Cars & Trucks
Check your thermostat as well as your radiator ..if the water in your coolant jug is returning boiling in that jug ,,it is most likely a bad thermostat
Posted on Oct 18, 2013
P0301 Cylinder 1 -Misfire Detected
Not sure but if cylinder not firing correctly then it this would make engine run a bit hotter
Posted on Oct 18, 2013
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Posted on Jan 02, 2017
SOURCE: 2000 toyota tacoma check engine
try switching coil #1 with coil #4 and see if the misfire goes to #4, clear all codes first. If the misfire stays on #1 and 2 then there are a couple of things to be concerned about, low compression on those cylinders or bad fuel injectors. In that case I would advise you to check compression first, these engines have a tendency to have tight vlaves which can result in burned valves.Just in case the misfire moves to #4 then it would be a coil problem and both 1and 2 coils should be replaced.
The factory repair manual doesn't give specific resistance readings, you can do comparison measurements on the terminals by comparing a known good coil resistance readings to a suspected coil to see if there is a deviation between the two, the most reliable way is by substitution between a good cylinder and the one that's misfiring and see if the misfire moves.
For example you know cylinder one has a misfire and #4 is ok, switch the #1 coil to #4 and while the engine is running pull off the #4 electrical connector, if the engine runs the same the coil is bad, if the engine stumbles the coil and cylinder is ok and the problem is still on #1.
Let me know,if needed further assistance.
Hope i helped you.
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Posted on Jan 27, 2011
Did you swap out your distributor cap and rotor? Try that first - it's not going to be the cat. You may be losing compression in cylinder #1 one... Hope its the cap/rotor...
Posted on Jul 16, 2009
If the only code you have is a P0113 then the answer to your question is no it can not be the oxygen sensor. P0113 indicates that the IAT sensor is reading at -46 deg F. With the computer thinking it is that cold it will need lots of fuel,cold air is more dense and com-pack so more molecules of oxygen and therefore needs more fuel to keep correct air/fuel ratio.
Do you have a way to measure voltage across the sensor?
You should have about 5V coming into the sensor and around 1.5 to 3.0V(depending on the temp) leaving it.
Posted on Mar 14, 2009
Code P1399 is specific to Honda - it is an error code for "multiple variable misfires detected". P0301-P0304 are common OBDC codes for all cars, specifically "misfire in cylinder X".
You will get the P0301-P0304 codes on your OBDC reader when you plug it in (if actually errors), but will only find the P1399 if you select Honda as the manufacturer.
Just got these errors today on my CRV 2000. Now I have to figure out what is causing two of the cylinders to misfire.
Posted on Mar 13, 2010
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