Think I have a TPS going bad. Without using cruise control all seems normal. Using cruise between 40-55 mph the RPMs surge from 1600 to 2100 then drops down to 1600 then back up to 2100 til either I cancel the cruise or get it above 55mph.

Google and reading posts point me in that direction. Dealer wants $84 for their part. I'll probably get a NAPA or similar off brand for $40.

Anyone have any experience or thoughts?

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[SIGPIC][/SIGPIC]
Red 2004 WJ Columbia 4.7L HO
K&N FIPK, Fastman TB, Addco Rear Sway bar, IRO 4" Long Arm Lift with DT8000, adjustable trackbar, JKS Quick Disconnects.

Red Rock 2007 WK 3.7L
Stock

You think it would do it with or without cruise but if you have a lot of miles on it I'd change the tps anyway because they're known for causing a lot of strange issues.

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Dave'04 Overland,I don't even remember what I did to it anymore.

Quote:

Originally Posted by TJXJWJ OK, fine...I'll admit...some amber lamps are good, and necessary.

That is exactly what I got from reading. Seems they don't crap out totally at once. Love them sensors boy.

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[SIGPIC][/SIGPIC]
Red 2004 WJ Columbia 4.7L HO
K&N FIPK, Fastman TB, Addco Rear Sway bar, IRO 4" Long Arm Lift with DT8000, adjustable trackbar, JKS Quick Disconnects.

Red Rock 2007 WK 3.7L
Stock

No, they don't just crap out, they make your jeep do all sorts of weird shtuff, like messing with cruise, screwing up tranny shift points, sometimes with others without check engine lights. (mine did all of this before I finally replaced it) Just replace the POS sensor, I got one at Advance Auto for $35 and its been fine for almost a year now. Takes about 20 min or less to replace with the right tools. 2 screws, 1 wire connector.

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Aaron

My Jeep: 2001 Grand Cherokee Limited, 245/65R17 Falken Rocky Mountain ATS, K&N drop in air filter, Bilstein HD's. De-badged, eagle-eye LED Tails & LED 3rd brake light, Addco front and rear sway bars, Superchips tuned & TM snip, interior 6k LED's, Gen3 ccfl projectors with Volt 6k HID lows, akebono brake upgrade with R1 Concepts premium rotors.

Well the one I got made it all kinds of worse. Threw P0123 (TPS) and good thing I didn't try to drive more than a block away, would not shift or hold a steady rpm.

Put the old one back on, cleared the code. Back to before. I'm thinking/hoping the BWD part might be DOA.

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[SIGPIC][/SIGPIC]
Red 2004 WJ Columbia 4.7L HO
K&N FIPK, Fastman TB, Addco Rear Sway bar, IRO 4" Long Arm Lift with DT8000, adjustable trackbar, JKS Quick Disconnects.

Red Rock 2007 WK 3.7L
Stock

Heres a link to the part

http://shop.advanceautoparts.com/web...R%7CGRPSENSAMS

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06 XK 4.7, aem brute force cold air intake, Borla custom exhaust, Superchips 91 tune, port and polished cylinder heads and throttle body, 8000k HID's Lows and fogs, window tint, All royal purple fluids and filters, custom painted engine, yellow calipers, hawk hps pads, safari rack,weather tech floor liners, interior leds. And many more mods.
-Connor

Probably just a bad part, I've had good luck with BWD before. What you first described with the code is what mine started doing when I finally replaced it.

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Aaron

My Jeep: 2001 Grand Cherokee Limited, 245/65R17 Falken Rocky Mountain ATS, K&N drop in air filter, Bilstein HD's. De-badged, eagle-eye LED Tails & LED 3rd brake light, Addco front and rear sway bars, Superchips tuned & TM snip, interior 6k LED's, Gen3 ccfl projectors with Volt 6k HID lows, akebono brake upgrade with R1 Concepts premium rotors.

The problem appeared from no where and now its not doing it anymore.
I really hate goofy problems. Found out today my bilstein shocks will be in Wednesday so I guess it evens out?

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[SIGPIC][/SIGPIC]
Red 2004 WJ Columbia 4.7L HO
K&N FIPK, Fastman TB, Addco Rear Sway bar, IRO 4" Long Arm Lift with DT8000, adjustable trackbar, JKS Quick Disconnects.

Red Rock 2007 WK 3.7L
Stock

YAY! Bilstein shocks are one of my favorite mods, along with the addco sways.

Do you think this could be my problem... Here is what my car is doing. It likes to drop rpms to 0 and shut off. Sometimes it'll crank right back up n sometimes it won't. Whenever it does it, the car sounds like it wants to crank. I've had my battery checked multiple times n that is not it. If you can help will you please email me at hayes_morgan1995@yahoo.com
Thank you soooo much!!!

Welcome to the garage.
This seems more as a crank or cam sensor going bad. Did you check for any fault code using the key dance? ( ignition switch off/on 3 times and leave it in on at the third time. The odometer will show a fault code, or "DONE"when all ok. Could eventually be a dirty idle air control motor plunjer and air canal. This needs a throttle body cleaning.

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Frank




JEEP Grand Cherokee 4.7 Lmtd 2004
HID 8000K in low and fog / Quad Squad member
Monroe Reflex shocks /
Pirelli Scorpion ATR 245/65/17/
Transgo reprogramming shiftkit.