Question about 2000 Ford Focus
Air seems to be escaping from drivers side of exhaust manifold
Need more info what pipe? is it exhaust or vacumn? need to be clearer on area.
Posted on Mar 11, 2014
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Posted on Jan 02, 2017
SOURCE: siezed exhaust manifold bolts
Get brake fluid or transmission fuild on them. Let it set for up to an hour...try to break them loose...put more fluid on it...tighten them wait about ten minutes...break them loose....this works...just don't start the vehicle and cook off the fluid.
Posted on Mar 13, 2009
Have a smoke machine used on the exhaust system
If your not familiar with one,they were designed for finding EVAP Leaks,and can be used for lots of things.
A muffer shop with no smoke. That is Fired Flintstone Repair
Posted on Oct 07, 2010
Fig. Left side exhaust manifold bolt torque sequence-3.0L engine
Fig. Right side exhaust manifold bolt torque sequence-3.0L engine
Both cases, exhaust manifold and new gasket, torque the bolts to 15 ft. lbs. (20 Nm).
Good luck (remember to rate this answer).
Posted on Oct 28, 2010
Six separate ignition coils:
NOTE: Initial engine ignition timing is set at 10 degrees ± 2 degrees before top dead center (BTDC) and is not adjustable.
The Misfire Detection Monitor is an on-board strategy designed to monitor engine misfire and identify the specific cylinder in which the misfire has occurred. Misfire is defined as lack of combustion in a cylinder due to absence of spark, poor fuel metering, poor compression, or any other cause. The Misfire Detection Monitor will be enabled only when certain base engine conditions are first satisfied. Input from the ECT or CHT, MAF and CKP sensors is required to enable the monitor. The Misfire Detection Monitor is also performed during on demand self-test.
The PCM synchronized ignition spark is based on information received from the CKP sensor. The CKP signal generated is also the main input used in determining cylinder misfire.
The input signal generated by the CKP sensor is derived by sensing the passage of teeth from the crankshaft position wheel mounted on the end of the crankshaft.
The input signal to the PCM is then used to calculate the time between CKP edges and also crankshaft rotational velocity and acceleration. By comparing the accelerations of each cylinder event, the power loss of each cylinder is determined. When the power loss of a particular cylinder is sufficiently less than a calibrated value and other criteria is met, then the suspect cylinder is determined to have misfired.
Misfire type A:
The DTCs associated with an individual cylinder misfire for a Type A or Type B misfire are DTCs P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308, P0309 and P0310.
When the coil is fired by the PCM, spark is delivered through the matched pair towers to their respective spark plugs (in this case, Cylinder 2 & 6 are matched). The spark plugs are fired simultaneously and are paired so that as one fires on the compression stroke, the other spark plug fires on the exhaust stroke. The next time the coil is fired the situation is reversed. The next pair of spark plugs fire according to the engine firing order.
Since there is only a misfire being detected on the Cylinder 6, I would recommend replacing the Coil On Plug for Cylinder 6 and check the wiring for damage for Cylinder 6.
Posted on Jun 24, 2011
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