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The oxygen sensors in front and behind the converter are reporting too similar
Check for exhaust leaks at the manifold, pipes, catalytic converter. Repair
Use a scope to diagnose the oxygen sensor operation (Tip: The oxygen sensor
in front of the catalytic converter normally has a fluctuating waveform. The
waveform of the sensor behind the converter should be more steady).
Inspect the downstream heated oxygen sensor (HO2), replace if necessary
The location of the starter is as per the car engine.If its 4.5 liter then starter is located on front bottom of the engine.And if its 4.6 liter engine then starter is located under the intake manifold.And On the 4.9 liter the starter is located on the bottom side of the engine. ------------This will help.Thanks.Helpmech.
check hoses and clamps. if passenger side floor is wet check heater coil. if you have steam coming from your exhaust and it isn't cold outside check head gasket. If you smell a sweet smell coming from exhaust the intake manifold or gasket may be leaking
Take you time. Mark all of your bolts. Have your new starter ready. Do the whole job at one time. Don't give your self time to forget. Find the starter, look from the lf of the car next to the intake down in the valley of the engine. You should see it. Now everything above it has to come off. Good Luck!
Under hood, center, front engine area, above exhaust
pipe flange, mounted in exhaust manifold
Front Under hood, center, rear engine area, above exhaust
pipe flange, mounted in exhaust manifold
The oxygen sensor may be difficult to remove when the engine
temperature is below 120°F (48°C). Excessive force may damage the
threads in the exhaust manifold of exhaust pipe.
Start the engine and let it warm up to 120°F (48°C), stop the engine and disconnect the negative battery cable.
Detach the electrical connector from the oxygen sensor.
Using a special, oxygen sensor socket, remove the oxygen sensor from the exhaust manifold or exhaust pipe.
A special anti-seize compound is used on the oxygen sensor
threads. The compound consists of liquid graphite and glass beads. The
graphite will burn away, but the glass beads will remain, making the
sensor easier to remove. New or service sensors will already have the
compound applied to the threads. If an oxygen sensor is removed from
the engine and if for any reason, it is to be reinstalled, the threads
must have this anti-seize compound applied before installation.
Coat the threads of the oxygen sensor with anti-seize compound 5613695 or equivalent.
Install the sensor and tighten it to 30 ft. lbs. (40 Nm).
Reattach the electrical connector to the sensor and the negative battery cable.
Fig. Location of the rear O2 sensor
Fig. Location of the the front O2 sensor
Fig. Use a wrench or special socket to loosen the O2 sensor
Fig. When replacing or reinstalling an oxygen sensor, be sure to lube the threads sufficiently
check condition of radiator,radiator & heater hoses,look for spots wet w/ coolant.look more or less straight up above where coolant puddles on ground.engine block is equipped w/'freeze plugs' that sometimes corrode & leak.washing suspected area of leak with an engine degreaser product may aid in locating source of leak.