This gets a little tricky but it not that bad. the plugs in the front of the eng are pretty east just remove the eng cover, then the coil pack. U will need a spark plug socket and a extension to get the plugs out. now the rear plugs is where is gets tricky. pretty much the same, remove the coil packs held in by a 10mm bolt the not u have Way less room to fit ur tool in. I use a small 3/8 ratchet, 3" or smaller locking ext, and a swivle spark plug socket. if u dont have the right tools getting to the rear plugs is next to impossible without removing the intake
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Your codes indicate misfires. What was done in the "tune up"? Misfires can be caused by any of several different causes including (but not limited to):
spark plug wires
The term "tune up" used to mean, "replace points, condenser, distributor cap and rotor, and plugs". Since most cars no longer have points, condenser, distributor cap and rotor, we need to ask what was done...
get a spark tester ,this is only a basic test .check the coil for a spark if found remove the lead from the spark plug. plug in the tester. turn the engine over to test for a spark each time. if no spark found check and clean the contacts in your distributor cap and rotor arm then refit test for a spark. at the lead to the spark plug .if found now remove your plugs one at a time .smell for fuel .if found change the plugs.
Hello,the Lexus 3.0 litre engine has no distributor or cap.There is an individual ignition coil on top of each spark plug,all of which are located on top of the engine.There may be a removeable trim cover over the engine making these harder to see untill you remove it for access.
replace spark plugs, spark plug wires, cap, ignition rotor, air filter, oil change, transmission flush, transmission filter&gasket .. That should do it.. It'lI be good if you could check your timing as well.. do this tune up every 15-20 thousand miles and oil changed every 3000 miles, depend on how much you drive it.
You need New Spark Plugs, Spark Plug Wrench Socket and Wrench Extension (at least 2-3 inch) size 10 socket and/or size 12 socket.
First of all, please check where the spark plug cover is. Once you figure that out there will probably be size 10 or/and 12 bolts holding it down. Take that off and there you will see sensors connecting to each other and holding the spark plug in the cylinders. Unplug all the sensors and pull out the circular plugs holding the spark plugs down. Pull them out and make sure that you don't drop anything into the cylinderes. You can look down into them and see the spark plugs. Get your spark plug wrench, extension, and socket wrench and stick them down in and push so that the spark plug wrench grabs them. Then unscrew the plugs, pull them out and put the next ones in and tighten them down. Just connect all the sensors, and put the cover back on.
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