☰
Find a Shop
|
Search Codes
Search Codes
Ask Your Car Question
Find a Shop
Cars Articles
Cars Technical Articles
Cars Recalls
Cars Common Problems
Cars Safety Rating
Cars MPG
Cars News
2024 Cars MPG
Cars Test Game
For Shop Owners
Login
Remember
Register
Questions
Hot!
Unanswered
Tags
Users
Ask a Question
Ask a Question
P1635 + P1271 Chevrolet
0
like
0
dislike
595
views
asked
Nov 15, 2018
by
anonymous
Both of these faults come up on my blazer. I did an oil change and tire rotation and was driving my vehicle home when the vehicle went into limp mode and had a hard time getting up a hill. It was the first snow fall of the year too. both codes popped up at almost the same time. Wondering if they are related. I found a lot of different scenarios of what it could be and that's a lot of different things to try. Ex: change TPP, check EGR, MAP, TPS, change cooling fan clutch. I don't know how to check any of these and I don't want to replace random parts. And I can't afford to take it to a shop. Can anyone dumb this down for me
Vehicle:
2002 Chevrolet Trailblazer LTZ 4.2L
p1635
reduced-engine-power
p1271
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
0
like
0
dislike
answered
Nov 15, 2018
by
Reynaldo
(
13.4k
points)
P1635 5 volts reference circuit
P1271 Accelerator pedal position sensor 1-2 correlation
If you set a P1271 you would also set a P1635. The only code that need to be looked into is P1635. What this is a 5 volts reference to certain sensor such as Throttle position sensor 1, Accelerator pedal position sensor 2, , A/C pressure sensor. , Fuel tank pressure sensor , oil pressure sensor. if one of these sensor short you would set a P1635 this would also set a P1271.
Please
log in
or
register
to add a comment.
Related questions
0
like
0
dislike
0
answers
251
views
P1635 GMC -
asked
Jan 17, 2017
by
chatham
p1221
p1271
p1635
0
like
0
dislike
1
answer
1.9k
views
P1635 Chevrolet - Is this code making my car stall?
asked
Jun 3, 2018
by
Rickc
p1635
start-stall
0
like
0
dislike
0
answers
235
views
P1635 Chevrolet -
asked
Sep 30, 2017
by
anonymous
code
chevrolet
p1635
0
like
0
dislike
1
answer
385
views
P1635 Chevrolet
asked
May 5, 2017
by
anonymous
po740-po753-po758-chevrolet
p1635
0
like
0
dislike
1
answer
382
views
P1271 CHEVROLET -
asked
Feb 12, 2018
by
anonymous
p1271
36.2k
questions
32.2k
answers
1.3k
comments
22.8k
users
Need A Repair Shop?
Find local automotive repair shops in your area.
AutoCodes.com Shops
Does your car have
Safety Recalls?
→ Check here
Related Information
-
Car TSB
-
Car Recalls
-
Car Common Problems
-
Car Safety Rating
-
Car Technical Articles
-
OBDII FAQ
-
OBDII Components
-
2024 Cars MPG
All OBDII Codes
-
Top 25 Codes
-
Latest Codes
-
All OBDII Codes
-
Powertrain (P) Codes
-
Network (U) Codes
-
Body (B) Codes
-
Chassis (C) Codes
AutoCodes.com
Engine-Codes.com
Infinitihelp.com
Nissanhelp.com
About AutoCodes.com
Privacy Policy
Terms and Conditions
© 2010-22 AutoCodes.com
...