Palouse Rider Posted August 16, 2006 Share Posted August 16, 2006 '98 Forester, threw 2 codes realated to the engine speed and I think the air sensor. My question is where is the sensor for the speedo? Somewhere around the tranny I would guess. Could be just the connector right? Thanks in andvance:) Link to comment Share on other sites More sharing options...
nipper Posted August 16, 2006 Share Posted August 16, 2006 do a search here on speed sensor. There are some great pics as to where they are. Fix that one first. nipper Link to comment Share on other sites More sharing options...
porcupine73 Posted August 16, 2006 Share Posted August 16, 2006 I wouldn't wait too long on the speed sensor, as I think there's two of them, but if the AT loses both signals I think it just locks into second gear or something? Nipper probably knows for sure if this is the case. Sure you can still get home but it won't be fun if you have to go on the highway! Link to comment Share on other sites More sharing options...
nipper Posted August 16, 2006 Share Posted August 16, 2006 If you loose both you go in limp mode, and car is barely drivable at that pont. The tranny doesnt shift and basically stays in either 2nd or third gear. I forget since not many people hit this point. I know the max engine revs drop down to 5000 rpm or about there. You loose one you just loose the awd. nipper Link to comment Share on other sites More sharing options...
Palouse Rider Posted August 17, 2006 Author Share Posted August 17, 2006 Thanks for the info. I have a standard transmission. The car runs like crap, stalls, and the speedo is out. Link to comment Share on other sites More sharing options...
edrach Posted August 17, 2006 Share Posted August 17, 2006 Thanks for the info. I have a standard transmission. The car runs like crap, stalls, and the speedo is out.Does the car stall and run like crap when parked in neutral? I don't quite know how the sensor would affect the engine's running when you're not at speed. If it won't run at idle, I'd look for the simple things like broken/cracked vacuum line or hose, dirty air filter, etc. first before I get too deep into troubleshooting this. KISS applies here until proven otherwise. Having any CEL codes? Link to comment Share on other sites More sharing options...
nipper Posted August 17, 2006 Share Posted August 17, 2006 Does the car stall and run like crap when parked in neutral? I don't quite know how the sensor would affect the engine's running when you're not at speed. If it won't run at idle, I'd look for the simple things like broken/cracked vacuum line or hose, dirty air filter, etc. first before I get too deep into troubleshooting this. KISS applies here until proven otherwise. Having any CEL codes? still either way he needs to replace the spedo sensor, as that can be having a big part in the problem. Link to comment Share on other sites More sharing options...
edrach Posted August 18, 2006 Share Posted August 18, 2006 still either way he needs to replace the spedo sensor, as that can be having a big part in the problem.I didn't say he shouldn't replace the speedo sensor; but if the car runs okay at 0 mph, then the sensor may be the only problem. But if the car runs like crap at 0 mph and stalls, there are other problems that might need to be addressed that are possibly more simple than wildly replacing sensors. Link to comment Share on other sites More sharing options...
nipper Posted August 18, 2006 Share Posted August 18, 2006 I didn't say he shouldn't replace the speedo sensor; but if the car runs okay at 0 mph, then the sensor may be the only problem. But if the car runs like crap at 0 mph and stalls, there are other problems that might need to be addressed that are possibly more simple than wildly replacing sensors. Without the spedo sensor, the car has no idea how fast its going, its in limp mode. In order to test anything, you need to get the car out of limp mode. This is a important sensor, and one that can be "wildly" replaced. No where did I suggest anything more then replacing the spedo sensor. Its like trying to figure out why the tranny wont work when there is no engine, or the alighnment when the car has 4 flats. There are some things that need to be fixed first. You say you dont know how the sensor affects the car, well in this case I do. No spedo sensor puts the car in limp mode. That limits the cars performance and driveability. If he had something that was borderline in normal operation, the limp mode could have put it over the edge to give him the problems he is seeing. nipper Link to comment Share on other sites More sharing options...
Palouse Rider Posted August 18, 2006 Author Share Posted August 18, 2006 Thanks guys, the car throws 2 codes. I don't remember now but i know one is for the speed sensor and the other I think is for the airflow sensor. I can't get to work on the car until Monday, I'll let you know what I find then.... Link to comment Share on other sites More sharing options...
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