2003 Cadillac CTS Problem

2003 CADILLAC CTS

129,000 MILES

RANYRIZK

MEMBER
39 POSTS
FOLLOW

The vehicle made discontinuity on the road and my scanner gave:
P0300
p0302
P0304
P0306
p0449
p0158
p0141
p0440
p0140

P1779
P1795
P0150

before this problem some times the car stop suddenly and gave "reduced engine power".
could you help me?
Regards

Jul 23, 2013 at 12:41 AM

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HMAC300

AUTOMOTIVE REPAIR CONTRIBUTOR
48,601 POSTS

have th ebattery checked for condition and load test then have alocal pro look at this due to the misfires are very hard to figure out where the problem lies.those are the 300 series codes and a lot of those may disappear once the misfires are fixed.

Jul 23, 2013 at 5:50 AM

RANYRIZK

MEMBER
39 POSTS

Thank you all
In fact that connector of the harness to the gear box was completely broken.
Finally after 2 years of research we found the problem.
Great thanks for all those helped me :)

Image (Click to enlarge)

Sep 18, 2013 at 7:38 AM