# 1995 Saturn "rich mixture" **URL:** \ **Category:** Maintenance/Repairs\ **Tags:** hesitation, gasoline, engines\ **Created:** [May 23, 2009, 11:31pm UTC](https://community.cartalk.com/t/1995-saturn-rich-mixture/30893 "2009-05-23T23:31:23Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![gseipl1](https://avatars.discourse-cdn.com/v4/letter/g/f08c70/32.png) [@gseipl1](https://community.cartalk.com/u/gseipl1)\ **Post date:** [May 23, 2009, 11:31pm UTC](https://community.cartalk.com/t/1995-saturn-rich-mixture/30893/1 "2009-05-23T23:31:23Z")
I have a '95 Saturn SL2 with 230,000+ miles (I’m very proud). It has been a fantastically reliable car. However, when I accelerate quickly, and let off the gas, the engine hesitates, sputters, and will eventually stall, if I do not give it enough gas. The condition is very apparent when I have the A/C on. When I described the problem to a friend, I said that it acted like I was flooding the engine. I tried fuel injector cleaners, replaced the fuel line and filter, cleaned the throtle body, poured “sea foam” in the vaccuum line and nothing has changed. I bought a code reader, and it indicated a “rich mixture”. When I had the emissions test done, it had a high reading while in the “idle” mode. My thought is that there is a bad fuel injector. Could there be some other problem that I am overlooking ---
**Author:** ![Caddyman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/caddyman/32/23_2.png) [@Caddyman](https://community.cartalk.com/u/Caddyman)\ **Post date:** [May 23, 2009, 11:40pm UTC](https://community.cartalk.com/t/1995-saturn-rich-mixture/30893/2 "2009-05-23T23:40:04Z")
It COULD be a leaking injector(s) allowing fuel into the engine in an uncontrolled manner. Stop shooting in the dark and have a pro check it out. It COULD be many other things… ---
**Author:** ![Tester](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/tester/32/15976_2.png) [@Tester](https://community.cartalk.com/u/Tester)\ **Post date:** [May 23, 2009, 11:40pm UTC](https://community.cartalk.com/t/1995-saturn-rich-mixture/30893/3 "2009-05-23T23:40:51Z")
For a rich mixture, these are the things to check. A thermostat that is stuck partially/fully open. A coolant temp sensor for the computer sending an incorrect signal. A leaking fuel pressure regulator. Tester ---
**Author:** ![waterboy](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/waterboy/32/764_2.png) [@waterboy](https://community.cartalk.com/u/waterboy)\ **Post date:** [May 24, 2009, 12:19am UTC](https://community.cartalk.com/t/1995-saturn-rich-mixture/30893/4 "2009-05-24T00:19:31Z")
How about a recap as far as filters and plugs? Spark plug wires also, then on to sensors, I think you are due for some basic maintenance and repairs along with a mechanic that can analyze and replace appropriately.