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Engine and Drivetrain

misfire question

5 posts 4 contributors 1,761 views
P7

P71CAMOP

Jun 2, 2011 at 6:40 PM
while I was driving yesterday my 2000 P71. Stalled on me and wouldn't start again I replaced the crank shaft sensor , checked fuel pressure and checked spark... NOW HERE'S THE QUESTION what could cause cylinders. 1,4,5,and 8 to all take a shit at the same time??? Somebody please help
WI

wizzard1222

  • Member since Jan 2011
  • 139 posts
  • Ballwin, MO, USA
Jun 2, 2011 at 8:11 PM
I'm not full aware of the engine on your 2K P71...however the cylinders you mention might be opposites of the timing order (fire stroke vs exhaust stroke)...???

Have you pulled the OBD2 codes....? If you don't have a scanner....go to your best auto parts store that can provide the service for 'free'....

That should give you a 'wealth of code info'.....
JD

jdmeaux

Jun 3, 2011 at 7:38 AM
With the majority of new cars on the road using OBD II, you have to have a scanner to see what has happened. Or I should say what the "computer" thinks has happened. It is the only way to be able to troubleshoot and fix the problem. Sometimes something as simple as a corroded wire connector will screw-up the computer.
*******************
PROUD MEMBER of www.crownvic.net

It's just a SUPER-DUTY Mustang GT Sedan. 198K miles and still rolling HARD.

1997 Crown Victoria P71 SVT *** ex-US Marshall service (the CAR)
STOCK?? I bet it was modified.

13.26 @ 107.24 MPH 1/4 mi w/ me, tools, & full tank of 93 octane

I added CAI, NICHE 19 X 8.5 " wheels with 245/45ZR 19 rubbers, and completely rebuilt the front end with poly bushings, Kooks headers, 2 1/4inch exhaust, TCI 2200-2400 rpm Stall converter

.PLANS:: engine upgrade, 5.4L 2v stroker, rebuild interior in leather w/ buckets, thinking about turbos

JW

jwar1127

Jun 3, 2011 at 5:50 PM
What do you mean take a shit no spark ?
P7

P71CAMOP

Jun 8, 2011 at 11:30 PM
i did not pull the codes yet.. lets say the timing chain skipped a tooth or so..what would the symptoms be and what is the worst possible outcome
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