Question about 2005 Cadillac CTS

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I have a 2005 cadillac cts 2.8L v-6 engine, the computer is saying a cylinder 2 misfire,replacing spark plugs didn't fix the problem, we are thing next is the coils,but we need to know where is cylinder 2 located? Please,thank u

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Posted on Jan 02, 2017

  • 12 Answers

SOURCE: 2000 toyota tundra #5 cylinder misfire

i think #5 is on driver side the front one....

Posted on Dec 30, 2008

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SOURCE: cylinder 6 misfire for 2000 cadillac deville 4.6 liter engine

check out this tool. Brand new on the market and it quickly can diagnose a misfire from the plug or the coil pack. Here's their website

Posted on Sep 03, 2009

ministock48
  • 258 Answers

SOURCE: Ignition coil pack on Ranger 1999 misfire on #3

replace coil

Posted on Oct 23, 2009

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SOURCE: Replace 2005 Cadillac CTS water pump

drain the coolant.remove belt by rotating belt tensioner cllockwise. water pump pulley will require a holding tool to keep it from turning while removing bolts. access to air ratchet can sometimes eliminate the need to hold but be careful cause thats a good way to skin some knuckles. also make installation more difficult to obtain proper torque. after pulley is off just a few water pupm mounting bolts remain. clean and dry gasket surface very well before reinstalling.

Posted on Nov 07, 2009

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SOURCE: Took my car to have check engine light checked. It

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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