Question about 1989 Mercury Sable

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1999 sable code po455 help ?

Also code po171,po302

Posted by Anonymous on

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3 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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outdoorsman5
  • 631 Answers

SOURCE: I have a 2001 mercury sable and i was given a code

The code P0302 means that the computer has detected a misfire on cylinder #2
Possible causes are
1. A mechanical problem with the engine
2. wiring,
3. ignition or fuel system
4. Injector
5. ECT (Engine coolant sensor or MAF (Mass airflow sensor)
6. ECM (Engine Control Module)

Posted on Sep 16, 2009

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  • 12 Answers

SOURCE: 1999 mercury grand marques trouble code PO455

buy a new gas cap and reset the light if that dont work check the fuel filler neck to see if it is rotted if so the replace it and that should take care of that problem

Posted on Aug 24, 2012

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1 Answer

Po302, 1999 Jeep Cherokee #2 cylinder misfire


Try checking fuel injector.
Try checking compression.
Is the engine running ok, maybe you're getting a bad code, if so you need to find out how to clear it, sorry I can't help you with that. Good luck

Sep 24, 2015 | 1999 Jeep Cherokee

1 Answer

Po302 po304 po307 po171 codes are showing up, any ideas?


PO 301 thru PO 308 are engine cylinders with possible
misfires & bad coils

PO 171 is a lean condition on Bank# 1 oxygen sensor

If the front or upstream sensor are over 100,000 miles, change
them as preventative maintenance

The cylinder misfires have to be diagnosed & tested any of
several ways,professionally for the most part

Jan 15, 2013 | 1999 Lincoln Town Car

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2000 Lexus GS300 I have codes po300 po302, po303, po304, po305, po306,po171


We can't help you here

You need the car diagnosed

I doubt you have lifters,should have
OHC valve train

Most likely the oil passages are clogged up
in the cams with sludge

That's what happens when the wrong oil
& too long between changes takes place

You ruin the engine

Dec 23, 2012 | Cars & Trucks

1 Answer

2004 f150 5.4l dtc po171 and po302


po302 is engine missfire on #1 cylinder, this engine is bad on ignition coils going bad, don't try removing spark plugs because they will break off in cylinder head and then you have a big problem, p0171 is a lean condition, possible bad oxygen sensor

Sep 03, 2012 | 2004 Ford F150

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2001 mercury sable 3.0 24V DOHC engine light on. PO171 and PO174 codes/ Engine at idle kicking down. Is there a vacuum leak in or near the PCV lines


I have the same problem few days ago, and still didn't find any solution. Can any one please help?????18

Jul 28, 2011 | 2001 Mercury Sable

1 Answer

1999 Ford E250 van Rough running


complete tune up plugs wires distributoe cap and rotor

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