Here I go again....
Thread Starter
Racer
Joined: Dec 2006
Posts: 302
Likes: 0
From: Birmingham AL
Here I go again....
Picked Y2K Vert up at shop today after they replaced both differential seals. Took her for a spin and the...
1. noticed my average MPG reading on the DIC began to count down while I was sitting at a red light. Can't say I ever noticied it doing that before??? I ran it on interstate and got the average up to over 22 MPG. But, it began to drop a tenth every 15 seconds or so. Crazy!!
Anyone experienced that problem?
2. coolant temp climbed to 214 while I was sitting at another light.
(70 degrees outside tonight...so, not too hot.) Why? No coolant problems before. Too hot to check coolant levels right now. Will check later. (Motor did not sound hot when I popped hood. You know...those little sounds an overheated motor makes??)
All other guages seem fine. Tranny fluid at 200 degrees (I think). Battery at 14. Oil temp was 212. Car ran strong on the highway and even on side roads.
LT
1. noticed my average MPG reading on the DIC began to count down while I was sitting at a red light. Can't say I ever noticied it doing that before??? I ran it on interstate and got the average up to over 22 MPG. But, it began to drop a tenth every 15 seconds or so. Crazy!!
Anyone experienced that problem? 2. coolant temp climbed to 214 while I was sitting at another light.
(70 degrees outside tonight...so, not too hot.) Why? No coolant problems before. Too hot to check coolant levels right now. Will check later. (Motor did not sound hot when I popped hood. You know...those little sounds an overheated motor makes??)All other guages seem fine. Tranny fluid at 200 degrees (I think). Battery at 14. Oil temp was 212. Car ran strong on the highway and even on side roads.
LT
Drifting
Joined: Jun 2002
Posts: 1,847
Likes: 1
From: Iowa
Cruise-In IV Veteran
Cruise-In V Veteran
For what it's worth, (my opinion, that is), what you've mentioned all seems pretty normal to me.
It only stands to reason if you are sitting still while the motor is running, the "average MPG" is going to count down, as you say.
And the coolant temps are about what it should be while you are "counting down" sitting at a traffic light.
Normal, that is, if you have the stock t-stat. Have you checked your rad for debris, lately? That might make it run a little warmer than you think it should.
It only stands to reason if you are sitting still while the motor is running, the "average MPG" is going to count down, as you say.
And the coolant temps are about what it should be while you are "counting down" sitting at a traffic light.
Normal, that is, if you have the stock t-stat. Have you checked your rad for debris, lately? That might make it run a little warmer than you think it should.
Thread Starter
Racer
Joined: Dec 2006
Posts: 302
Likes: 0
From: Birmingham AL
For what it's worth, (my opinion, that is), what you've mentioned all seems pretty normal to me.
It only stands to reason if you are sitting still while the motor is running, the "average MPG" is going to count down, as you say.
And the coolant temps are about what it should be while you are "counting down" sitting at a traffic light.
Normal, that is, if you have the stock t-stat. Have you checked your rad for debris, lately? That might make it run a little warmer than you think it should.
It only stands to reason if you are sitting still while the motor is running, the "average MPG" is going to count down, as you say.
And the coolant temps are about what it should be while you are "counting down" sitting at a traffic light.
Normal, that is, if you have the stock t-stat. Have you checked your rad for debris, lately? That might make it run a little warmer than you think it should.
Yep...checked rad for debris. Nothing noted. Checked fan: came on at 226 degrees and cooled it to 217...then it quit.
Tested at idle in driveway. Checked coolant levels and all appeared o.k.?
My experience with this car has been max temp of 195 no matter where I was...but, it was in cooler weather?
I have never once seen the MPG countdown while at a light. Seems to my non-mechanic mind to be an awful lot of fuel consumption at idle for a 3 minute light??
LT
Melting Slicks
Joined: Nov 2002
Posts: 2,884
Likes: 261
From: Jamison Pa
St. Jude Donor '11-'25
Was the MPG reset?
If the DIC was cleared the MPG will adjust very quickly at first. It will tick down at a light.
Everything else you mentioned seems ok also.
Bob K.
Everything else you mentioned seems ok also.
Bob K.
Burning Brakes
Joined: Apr 2004
Posts: 1,235
Likes: 2
From: Haymarket VA
CI 7-8 Veteran
Ever since I got my tune, my average MPG counts down at idle. FAST. Probably just pouring raw gas out the tailpipe. I wouldn't consider it abnormal behavior, but maybe not optimal.
Thread Starter
Racer
Joined: Dec 2006
Posts: 302
Likes: 0
From: Birmingham AL
