SOURCE: idles poorly , and its like its starving for fuel or air
1. Vacuum leaks. Check all mounting bolts at the intake, check all hoses by wiggling them around. Listen with stethoscope or a length of fuel hose held up to your ear with engine running. You will be looking for a hissing sound. 2. Check egr valve. 3. Check air filter. 4. Check timing belt. ( you will need a timing light) If the mark is jumping around, your belt has jumped. If it stays basically in one place, it's good. 5. Check camshaft lobes. 6. Valves burnt or leaking. 7 Dirty or clogged injectors. 8 . Faulty idle control system.
SOURCE: my 2001 ford focus runs erratic it idles rough and
I had this with our Renault Espace, Also coming out of the exhaust pipe was a black liquid of some sort, NOT OIL, more like a tar substance. I took it to Renault and it ended up being the Lambda Sensor in the exhaust manifold down pipe, It is located before the Catalytic Convertor in the exhaust system. I hope this is useful, It`s just a thought, Ian
SOURCE: 2001 zetec 2l w/air serpentine diagram
If there is no decal under the hood somewhere, start with the belt around the crankshaft, and then go flats to flats, ribs to ribs. You may have to try a couple of times, but you'll get it.
SOURCE: Our 2001 ford focus when it idles it surges
Check the pcv hose for leaks at the intake manifold. Common problem.
SOURCE: 2001 ford focus heater blows cold air intermittently
CHECK COOLANT MAKE SURE ITS NOT LOW.IF COOLANT GOOD THERMOSTAT BAD.
#2) Location
saailer125 views
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