Just put new plugs in 2003 taurus. Immediatly afterwards car runs like ****. Bogs down when you step on the gas. Can get up to speed but very slowly. Checked to see if I dislodged a vacuum line, couldnt really tell. Feels like vacuum leak. can anyone help?
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get urself a can of carb cleaner...brake cleaner...whatevers clever with the car running spray it over vac maf sensor...until you hear the engine bog down. now you found ur vac leak or anything else and leaking.
If that is your only transportation you need to call other repair shops. Find out about towing fees and what diagnostic fees they have.
Before there were diagnostic scanners, there were Mechanics. Scanners come in all types and some will suggest possible solutions and others are tools which Mechanics use to find problems.
For instance, you are told you have fuel pressure. You are told they installed new spark-plugs. You were not told if the spark-plugs are getting electricity to fire. You were not told if the fuel injectors are getting electricity to allow gas to reach the cylinders. You can have fuel pressure but the fuel injectors must open to put gas into the engine.
A noid tester or plain testing light will show if the injectors are opening. A spray of starting fluid will also indicate if the engine is not getting fuel despite fuel pressure. It will try to run with starting fluid if it has spark.
When you find out whether it runs, if not, then check for spark if the starting fluid does not make a difference.
It is questionable whether new spark plugs were needed if installing them had no effect. Check other service places.