Question about Cars & Trucks
Update! Put some bars leak in it this morning let it idle for about 15 minutes before taking off. No white smoke no coolant loss no hard shifting or idling. So far. What else could it have been? First off, it's an 05 Impala, 3.4L engine with 155,000 miles on it. When I got the car, it had been overheated one good time and parked until I got ahold of it. I flushed the system, changed the water pump radiator cap, the thermostat, and the temperature sending unit. It took a lot to clean that system. Then I changed the plugs and plug wires. It had prior damage to the catalytic converter and the resonator apparently, so I had those replaced along with the front O2 sensor because that's what the codes read. After having those replaced by a mechanic, he ran the codes again and it threw multiple random misfires. I reset the battery and have drove it about 50 miles off and on since having them replaced converter, sensor, and resonator and no codes, no check engine light, but it doesn't like to start, and idles very hard now for a minute until it levels out the pressure I guess? It is now shifting really hard and sometimes taking a deep breath before shifting. On top of it all, it now smokes white out of the exhaust when it's first started. It's not a lot, and it doesn't smell like coolant. Since flushing my system, about 1000 miles I've had to add about 2 cups to the overflow tank of coolant just to keep it at the line. I know that's a small leak, but I can't find it. It's not external. With the exhaust leak before I changed the converter, I never had any smoke and it would only shift hard and definitely not as hard as it is now after getting up to temperature and then having to stop and go in traffic. It's not running hot at all, and all the replacement parts are working properly. What more is there?! Help!
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Posted on Jan 02, 2017
SOURCE: White smoke from Exhaust
hardly likely the exhaust job would cause that, but yes it sounds like you got a blown head gasket. badl lock stricks hmm! also preasure test cylinder head for leaks
Posted on Jul 22, 2009
SOURCE: Check Engine Light - P2181
Hi,first thing your cambelt and tensioner should have been replaced 13k miles ago,it would pay you to replace the water pump at the same time as they are known for impellor failure = cooling system fault=P2181 code,hope this helps.
Posted on Aug 06, 2009
Have the DIS module checked and the coil pack for cyl 3. If either/both of those need replaced, have it done and have the codes cleared. Then see if it clears the others.
You may need a TPS (throttle position sensor) as well.
Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/sean_54c3a3dc48a7773c
Posted on Sep 11, 2009
SOURCE: 1998 Saturn SL2 engine light
The following are malfunctions that could cause a rich condition:
^ Fuel pressure too high. Perform fuel pressure test.
^ Leaking fuel injector(s). - Perform pressure leak down test.
^ Vacuum leak around the MAP sensor grommet.
^ Oxygen sensor contamination.
^ Restricted exhaust or air intake.
^ Fuel Vapor Canister saturated with fuel.
IMPORTANT: If the front oxygen reading voltage is above 600 mV and the rear HO2S is above 600 mV all the time, the O2 sensors are probably not
Posted on Sep 22, 2009
The best way is to do a chemical hydrocarbon dye test at the shop.
This can rule out leaking headgasket.
You did not state the odometer reading....a 2002 should has 70,000+ miles.
Check the fan relay(s).
Turn A/C on and see is the fan coming on.
Is the fan fully operational?
The last odd ball item is the water pump.
In the past,I saw turbine of the water is totally worn out and looks perfectly OK on the outside and shows no sign of leak.
Posted on Nov 03, 2009
Tips for a great answer:
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ENGINE HESITATES WHILE ACCELERATION
LOSS OF ACCELERATION
can be fuel pressure issue or it's the problem with accelerator pedal or its
clogged filters causing there.
are many other possibilities. I suggest you to go through the list of help
links mentioned below, these will help you to confirm where the actual fault
These details will help.
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