Question about Jeep Grand Cherokee
The only V6 engine I could find in a Cherokee was in the mid 1980s and it was carb not fuel injected. The 4.0 straight 6 engines that were fuel injected used the same black wire for all 6 injectors to power them. Each injector has a different ground wire from the computer.
The injector in question should have the same input voltage as the others and then a ground signal on the other side when the computer commands it to open. All 6 injectors should also have the same resistance when the harness is unplugged.
Posted on Jan 08, 2013
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Posted on Jan 02, 2017
SOURCE: 2001 sonata V6 spark plug
For starters if your going to do 1 do all. The locations are from left to right when standing in front of the car. 1, 3, 5
2, 4, 6
wires are 3
Posted on Nov 05, 2008
SOURCE: Changed the plugs...
Yes, the code will need to be cleared by the technician.
Usually the check engine light doesn't come back on immediately. However it will store the code until it is cleared by the tech.
If it comes back on immediately, then you have an immediate problem b/c it take a certain number of misfires over a certain number of miles before it trips the code again.
Posted on Feb 10, 2009
Before changing you pcm try cleaning your egr valve. remove the valve and see if its stuck in the open position if so use a small pick to clean around the spring.
Posted on Mar 12, 2009
it has cap not coil pack , you try decarb might get lucky any ticking ? next is leak down on the cylinder and determine weather rings or valves how many miles wheat are the engine codes now check and the plug again , did it have misfire on the same cylinder before you worked on it adn after you worked on it. What is running compression. all these answers are to answered some you can do some will need more tools.
Posted on Jan 03, 2010
Testimonial: "whats decarb.. ??? and whats leak test on the cylinder ? please help ..."
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