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Old 03-13-2013, 09:12 AM   #1
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Focus problems

Ok my moms focus has 165k in it and it is starting to sound like a ricer and it has no power what so ever it acts like its running out of fuel but it's not could it be a stopped up catilitic converter?
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Old 03-13-2013, 12:03 PM   #2
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Could it be a clogged fuel filter? I know that will cause a engine to hesitate or not start,
frequent stalling. A clogged fuel filter often results in erratic engine performance by causing an abnormal or alternating pattern of fuel flow into a vehicle's engine. Under heavy acceleration or at high engine speeds, fuel pressure may be sufficient to allow adequate fuel flow past a partially clogged filter, which results inadequate engine performance. When engine speed is reduced, fuel flow may be restricted to the point of causing reduced engine power and performance. Its. Just another idea.
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Old 03-13-2013, 12:26 PM   #3
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To see if its the fuel filter and not the fuel pump. Try this but, you'll need a friend or someone to help you.

Open the gas cap. Place your ear near the fuel inlet nozzle. Have your friend to turn the key to the "Start" position, leaving it in that position for five seconds. The fuel pump will prime itself, and the sound of the pump can be heard. Verifying that the fuel pump is running will help to isolate the filter. Have your friend turn off the ignition.

Crawl under the vehicle and locate the fuel filter. Follow the fuel lines to the filter and remove the inlet line. Most filters have a quick-disconnect fitting that can be pulled off the filter easily. Hopfully your moms car will too. Place a small drain pan under the line to catch any excess fuel.

Instruct your friend to turn the key to the "Start" position again. Observe if any fuel flows out of the fuel line. If there is a steady flow of fuel, then the fuel pump is adequately isolated, and troubleshooting the filter can proceed. Install the inlet line onto the filter. Push on it until it locks into place. Have your friend turn off the ignition.

Remove the outlet line and hold the drain pan under the exposed pipe. Tell your partner to turn the key to the "Start" position. Fuel will flow out of the filter if the filter is not clogged. If no fuel flows out, then this indicates a clogged filter.

Reinstall the fuel line back onto the filter. Tell your friend to turn off the ignition.
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Old 03-13-2013, 12:40 PM   #4
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But how would the fuel filters make the exhaust louder ?
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