Really lost - Maintenance and Repair Forum

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Really lost
Saturday, April 11, 2009 7:59 PM
Ok so I drive the car all day today with no problems. I park the car to work on my buddies car until tonight, its about 43 degrees. So I go to come home on my car but I turn on the heat this time. As im drving home I start to realize the car wont accelerate much, my AFR's were reading between 12.8-13.7 at that time. BUT when I let OFF the gas my car goes lean and pegs lean on my wideband WTF! I get back on the gas and it goes back to low AFR's again.

I baby it home, park it then I notice the coolant is bubbling in my overflow tank. I can hear it. Freakin coolant is all under the car and its coming from my vent tube that vents to the atmosphere. Its also cold, the coolant isnt even hot because I was 5 minutes from home. Temp only got to 180 on my gauge. I start to think its my fuel pump going bad. But I got pressure, constant 50psi under acceleration AND idle.

Does anybody know why only when I turn on the heat it started to do this? It wasnt doing it when I didnt use the heat during the day time. Im lost this time.









~2014 New Z under the knife, same heart different body~
______________________
WHITECAVY no more
2012 numbers - 4SPD AUTOMATIC!!
328 HP
306 TQ

Re: Really lost
Monday, April 13, 2009 4:57 AM
Come on, no Ideas?










~2014 New Z under the knife, same heart different body~
______________________
WHITECAVY no more
2012 numbers - 4SPD AUTOMATIC!!
328 HP
306 TQ
Re: Really lost
Monday, April 13, 2009 6:30 AM
damn no luck at all man...idk what to say


Built&Boosted moar
04 Cavalier Turbo r.i.p my baby
2nd place 2009 GM tuner bash qwick 8--holla

Re: Really lost
Monday, April 13, 2009 9:35 AM
Ive talked to a couple people here in town, their guessing an airpocket in the coolant system or worse, headgasket.










~2014 New Z under the knife, same heart different body~
______________________
WHITECAVY no more
2012 numbers - 4SPD AUTOMATIC!!
328 HP
306 TQ
Re: Really lost
Monday, April 13, 2009 9:53 AM
I don't think an air pocket. I got one after I flushed my system and it near immediately overheated. Within a minute, and since the system is closed unless there is a leak I doubt it unless your gasket is dead.


I accidentally the SHIFT LIGHT!!!!!!!!!!



The proper way of using the word seen. It is not I seen it that would be I saw it. He has seen the car is the right way to use the word. English class is Cool. By the way thats my sig
Re: Really lost
Wednesday, April 15, 2009 5:50 AM
I'd check your tranny fluid level (if it's an automatic) and see if it has risen up considerably.

When you said that you saw the bubbles in the overflow tank, was the engine running at that time?

If yes to both of those questions, then there's a good chance that you might have a bad head gasket.

You could have a compression test and a leak down test done on the engine to know for sure.

Scott
Re: Really lost
Wednesday, April 15, 2009 6:14 AM
450HP wrote:I'd check your tranny fluid level (if it's an automatic) and see if it has risen up considerably.

When you said that you saw the bubbles in the overflow tank, was the engine running at that time?

If yes to both of those questions, then there's a good chance that you might have a bad head gasket.

You could have a compression test and a leak down test done on the engine to know for sure.

Scott


Sorry meant to say check your oil level to see if it has risen, not the tranny fluid... don't know where my thought process was on that one!

Scott
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