Replaced head gasket / first start up @ about 1500 RPM

GREG POTTER

MEMBER
2004 DODGE NEON
70,000 MILES

-replaced head gasket and the first time I started it it started at about 1500 rpm's I turned it off what do you think. Thanks, greg

Thursday, March 15th, 2012 AT 7:01 PM

3 Replies

HMAC300

MECHANIC
48,601 POSTS

Check for a vacuum leak at intake. Spray choke cleaner there and clean the throttleplate on both sides. If it leaks rpm will change.

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Thursday, March 15th, 2012 AT 7:15 PM

GREG POTTER

MEMBER
2 POSTS

All the above are ok took throttle body off & cleaned, tried again & code p0123 & p0113 came up, is that because I took it apart. I have not let the car run for more than 1 sec. So I really don't know where the motor will stop level

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Thursday, March 15th, 2012 AT 9:18 PM

HMAC300

MECHANIC
48,601 POSTS

One code is intake temp to high so look for aloose aircduct connection or hole in air duct the other codeis throttle position sensor high, if you haven't got it plugged in or it may be stuck you'll need to check for that. Make sure all your connections are plugged in as well before youstart the car.

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Thursday, March 15th, 2012 AT 10:35 PM