__ My Camaro is only getting 10 mpg city. Causes?
#12
thanks! ill definitely look into that. im taking it to the shop tomorrow
#13
I'm having similar issues. I have a stock '94 V6 3.4L, and I get ~11-13 city and ~14 Highway. I get ~170 miles to the tank. I'm having codes thrown at me with my scanner. it returns the SES light with 3 codes, "EGR Valve 1" "EGR Valve 2" "EGR Valve 3", 75 76 77 codes, and it happens during deceleration from above 50MPH. If anyone could help, thanks.
#14
Doing the required routine maintenance is not throwing parts at it. Spending hours trying to figure out whats wrong with a car just to find out it needs the routine maintenance is very wastful. With this complaint and no light step one should be make sure all normal maintenance is up to date.
#15
Join Date: Nov 2007
Location: Eastern PA,
Posts: 10,462
I am talking about parts that are suppost to be replaced based on life cycle. Imagine how pissed you would be if you had a miss, the mechanic spent 2 hours checking everything ($170) just to tell you "you need to spend $18 fuel filter" If the car is not up to date with the required mainteance that should be done first. Now if he knows everything is up to date I agree.
#17
I'm not saying that you should avoid regular maintenance on your car... I just think you should do a bit of digging before you go spending uncontrollably on parts that may not be the root of your problem. You should do a bit of problem solving first.
And Craby, when it comes to O2 sensors the best thing to do would be to check the datalog, check the sensor visually for fouling, and then a voltage test using a propane torch + multimeter to gauge the health of the zirconia element. O2s are expensive, there's no point in buying new parts if the old ones are in perfect working order.
And Craby, when it comes to O2 sensors the best thing to do would be to check the datalog, check the sensor visually for fouling, and then a voltage test using a propane torch + multimeter to gauge the health of the zirconia element. O2s are expensive, there's no point in buying new parts if the old ones are in perfect working order.
#19
I didn't intend to start an argument on doing normal maintenance. I was hoping to get him thinking that not all codes will set an SES light.
Going to the auto parts store and pulling codes is free for the most part. If there is a code stored, then he would have an idea of where a potential problem would be.
For my money, modern cars (I classify all 4th gens as modern) would not show a 50% reduction in mileage just on "tune up" parts, without there being some other symptoms (back firing, weak acceleration, hard starting, etc). Since the only thing the OP mentioned was the sucky mileage, my first inclination would be to pull any codes.
The only thing pulling codes costs is time and it could easily save a lot of money on unnecessary parts, especially since he has an OBDII car. Of course, eventually the "tune up" parts will require replacement, but if they are not the cause of his mileage problem, I fail to see the reason to just replace them.
Going to the auto parts store and pulling codes is free for the most part. If there is a code stored, then he would have an idea of where a potential problem would be.
For my money, modern cars (I classify all 4th gens as modern) would not show a 50% reduction in mileage just on "tune up" parts, without there being some other symptoms (back firing, weak acceleration, hard starting, etc). Since the only thing the OP mentioned was the sucky mileage, my first inclination would be to pull any codes.
The only thing pulling codes costs is time and it could easily save a lot of money on unnecessary parts, especially since he has an OBDII car. Of course, eventually the "tune up" parts will require replacement, but if they are not the cause of his mileage problem, I fail to see the reason to just replace them.
#20
+1 on what gorn is saying, when i was getting 7mpg city until i changed the coolant temp sensor which bumped me instantly to 12.5, almost all the parts that i`ve taken off the car has been original so far, so maintenance is key