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View Full Version : rpm spikes....?



Old Youngen
05-15-2009, 04:02 PM
after running my t-bird on the street for like 20 min or so it starts to jump from 1000 to 3000 up and down up and down and i cant drive it ...? i go then stop go then stop ..?

any one know what this could be ?????

KMT
05-15-2009, 05:13 PM
Sounds like the every popular camshaft sensor malady (at the least)...

Know how to read the codes?

Old Youngen
05-15-2009, 05:35 PM
what codes ... im getin a code 19 , 74 thats it and i changed that sensor...

KMT
05-15-2009, 05:59 PM
what codes ... im getin a code 19 , 74 thats it and i changed that sensor...

This one? With a new one? And checked the harness, grounds, etc.?

http://shop.oreillyauto.com/product_images/img/nie/ff440e-1.jpg

Old Youngen
05-15-2009, 06:16 PM
No not that one...

Old Youngen
05-15-2009, 06:19 PM
i didnt even know it had one thanks man ill get back to you ... it might just be what i missed ...

BuRHan90SC
05-16-2009, 03:58 AM
also keep an eye for any vacuum leak and clean ur MAF to be on the safe side if u haven't cleaned it for years....

qc89SC
05-16-2009, 05:03 AM
also keep an eye for any vacuum leak and clean ur MAF to be on the safe side if u haven't cleaned it for years....

those link are killing me...

racecougar
05-16-2009, 07:37 PM
Is the tach needle jumping around, or is the engine rpm actually fluctuating?