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Posted on Jan 02, 2017
You have the NAPS Z (nissan anti performance system haha) emissions engine. the dual plugs provide a hot spark for exhaust gas reburn and lowered tailpipe emissions. both plugs fire at the same time.
It is not really a good engine platform for high performance modification as its limited by the NAPS Z cross flow cylinder head design, its best to leave them mostly stock. I have owned several of the 720 king cab pu's and can attest to their durability, fuel economy, and reliability when properly tuned and maintained.
Posted on Aug 30, 2009
SOURCE: Check engine light flashing
the fuel injector is not pulsing correctly,it probably has something in the screen in side of it,you will need to check that screen in the injector or replace it
Posted on Nov 25, 2009
2001 Dodge Caravan FWD
3.3 liter V-6 VIN "R"Cylinder # firewall, Passenger to drivers side, 1-3-5
Cylinder # radiator, Passenger to drivers side 2-4-6
Coil Block post # firewall, Passenger to drivers side 5-1-3
Coil Block post # radiator, Passenger to drivers side 2-4-6
Posted on Nov 28, 2009
In modern cars so much can go wrong to indicate an issue and a computer in the car can get confused as to what is really occurring. In most cars a misfire indicates either an incorrect firing order, shorted wires, bad plugs, or bad coil. Since you have replaced the wires and plugs we can rule those out. Im also assuming after the second engine code you pulled #2 plug and made sure it wasnt fouled with oil, was gapped correctly, and reinserted. To produce a sufficient spark for combustion the alternator sends power to a "Coil" which is in reality a storage point that then sends an amplified electrical current down the spark plug wire to the cylinder to fire the plug. If the car is truly misfiring you will notice a rough idle, fluctuating RPM's, and lack of acceleration. If you are experiencing any of these I would look at replacing the coil. If you arent experiencing any of these I would have the code cleared again and complete one drive cycle 100 miles and then have codes read again. If you still get a Misfire error some other causes known to occur with Rio's are fuel filter issues, gas caps, and fuel injector issues. Although rare, these can cause issues with the cars fuel delivery and emissions which can confuse the sensor in the ECU. I would try injector cleaner, replace the fuel filter, and gas cap . If funds are an issue then based on symptoms I would start with injector cleaner first $3, Filter $12, Gas cap $12, Coil $48 to $200+
Posted on Jun 06, 2010
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