What does auto scanner code p0204/ p0208/ mean

Asked by Sep 16, 2015 at 01:30 AM about the 2001 Mercury Grand Marquis LS

Question type: Maintenance & Repair

2 Answers

170

P0204 means that the PCM detected a fault in the injector or the wiring to the injector. It monitors the injector and when the injector is activated, the PCM expects to see the voltage pulled "low" or close to zero. The symptoms for this code will likely be a misfire and a rough running engine. Poor acceleration. The MIL will also be illuminated. This could come from a misfire on a cylinder. P0208 also could be from the first code. This is something that can only be diagnose by a service tech. It DOES NOT mean to replace it. The problem could be with something else in the circuit. It's not easy with these newer cars, but just to replace things will add up with BIG MONEY and not be that part.

3,415

p0204- injector 4----- wiring, injector,ecm..........p0208 injector 8. change the injectors to new locations, clear codes, start and see if your faults follows the injectors.

2 out of 2 people think this is helpful.

Your Answer

Add photo

Related Questions

Search Mercury Grand Marquis Questions

Mercury Grand Marquis Experts

#1 Tracy Hooks
Tracy Hooks
Reputation 5,340
#2 kbro
kbro
Reputation 2,050
#3 Js08016
Js08016
Reputation 1,710
View All

Related Models For Sale

Used Ford Crown Victoria
14 Great Deals out of 1,061 listings starting at $2,225
Used Lincoln Town Car
32 Great Deals out of 1,838 listings starting at $600
Used Chevrolet Impala
531 Great Deals out of 29,799 listings starting at $799
Used Cadillac DeVille
8 Great Deals out of 1,618 listings starting at $2,200
Used Ford Mustang
389 Great Deals out of 47,145 listings starting at $1,999
Used Lincoln Continental
4,161 listings starting at $41,448
Used Ford Taurus
239 Great Deals out of 20,406 listings starting at $1,100
Used Ford F-150
2,250 Great Deals out of 208,963 listings starting at $1,499
Used Chevrolet Tahoe
572 Great Deals out of 27,580 listings starting at $1,500
Used Honda Accord
780 Great Deals out of 87,936 listings starting at $1,150

Used Cars For Sale

2010 Mercury Grand Marquis LS For Sale
92 listings starting at $2,495
2009 Mercury Grand Marquis LS For Sale
5 Great Deals out of 95 listings starting at $4,000
2008 Mercury Grand Marquis LS For Sale
5 Great Deals out of 102 listings starting at $2,250