Rough running engine

Tiny
CARLO LATORRACA
  • MEMBER
  • 1990 CADILLAC DEVILLE
  • 4.5L
  • V8
  • FWD
  • AUTOMATIC
  • 57,000 MILES
When I press down on the accelerator to go faster it runs rough.
Saturday, June 18th, 2016 AT 10:46 AM

2 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
How long since a tune-up? Are there any applicable trouble codes? Some of the national brand auto stores will check codes for free, if there are any?

The generic basics for problems at higher rpm's, check for a blockage of some kind, fuel--air--exhaust. Could be other issues?
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Saturday, June 18th, 2016 AT 10:59 AM
Tiny
RENEE L
  • ADMIN
  • 1,260 POSTS
Hi Carlo,

Here is a link to an article that features written step by step instructions and pictures explaining how to do the scan yourself, also I have included a link to our YouTube channel with a how to video on code scanning. Most scanners are inexpensive to purchase, you can purchase one online from sites like Amazon.com. Once you have the codes please get back to us so that we can further assist you. We are always happy to help.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

https://youtu.be/YV3TRZwer8k

Thank you for visiting 2CarPros.com.

Kindest regards,

Renee
Admin
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Monday, June 20th, 2016 AT 10:50 AM

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