1998 Dodge Neon Code 42

Tiny
MOPARMAN_1986
  • MEMBER
  • 1998 DODGE NEON
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 145,000 MILES
I have checked the codes, it shows 42, this is fuel pump relay or auto shutdown circuit. But the car still runs. Starts every time. However I am getting bad gas mileage. Only about 200 miles to a tank? Are these problems related? And how could I fix it?
Monday, February 11th, 2008 AT 11:47 AM

7 Replies

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
How did you come up with this code
do u have a check engine light on
get P codes P0000
let me know
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Monday, February 11th, 2008 AT 1:17 PM
Tiny
MOPARMAN_1986
  • MEMBER
  • 4 POSTS
The engine light is off. But with chryslers you can flash the codes by turning the key on and off 3 times. When I did this it flashed 42.
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Monday, February 11th, 2008 AT 1:20 PM
Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
OK good
but when you cycle key 3 times
is you have any codes it will be displayed in the odometer area (P0000)
and if no codes it will say done
check it out and let me know
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Monday, February 11th, 2008 AT 1:31 PM
Tiny
MOPARMAN_1986
  • MEMBER
  • 4 POSTS
The check engine just flashes to display the codes. 42. Then 55 which is end.
Nothing else flashes. Sorry.
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Monday, February 11th, 2008 AT 1:50 PM
Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
[quote="moparman_1986"]The check engine just flashes to display the codes. 42. Then 55 which is end.
Nothing else flashes. Sorry.[/Quote
what year is it
1998 is that correct
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Monday, February 11th, 2008 AT 4:31 PM
Tiny
MOPARMAN_1986
  • MEMBER
  • 4 POSTS
Yes it's a '98.
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Wednesday, February 13th, 2008 AT 8:58 PM
Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
I haven’t seen these kind of code on the new cars all codes goes like this p0000
and since you are unable to produce the p code may I suggest a visit to your local part store
(auto zone or so )and they will scan it for you and will give you the p code
good luck
let me know
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Thursday, February 14th, 2008 AT 8:34 PM

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