Just purchased a 92 Celica GT, Red/ 126,000 miles. Interior looks like brand new. Will post pictures in a few days. Question I have is the engine runs rough at idle, any help would be apperciated it is the 2.2 engine. Also would like to replace the radio witha radio/cd, is it allot of trouble?
Thanks
Mike
Rough idle engine: Any CEL on? Describe better what you mean by runs rough.
Replacement radio: Yes, almost any early to late 1990's Toyota CD/radio deck will work in your Celica. Ony question is if you have the System 10 or not (System 10 decks had an amp, and already had a CD player in the deck). I'll assume you don't. You should look for a deck that has the 2 separate and small wiring harnesses that plug into it, not the larger single one (meaning it has an amp). I would bet your Celica does not have an amp.
I'm fairly certain the GT did not come with system stereos or at least I've yet to see one. You can use another toyota radio or most aftermarket radios have the correct holes for the mounting bracket and aren't difficult to wire. Getting to the radio is very simple as well
I'm fairly certain the GT did not come with system stereos or at least I've yet to see one. You can use another toyota radio or most aftermarket radios have the correct holes for the mounting bracket and aren't difficult to wire. Getting to the radio is very simple as well
I think System 10 setups were optional on GT's, but not sure. My 93 Celica GT convertible has the System 10 in it. I've seen other Celica GT convertibles with the System 10. But yes, most other 1990's vintage Toyota radios would fit, as long as these radios had the sockets to receive the 2 smaller wiring harnesses (typical Toyota ones), and not just a socket to receive a single, larger wiring harness (typical of Toyotas with amps).
First thing I would think of would be check your ignition timing and possibly perform a tune up. Also the 5SFE is infamous for bad idles. The Idle air control valve sometimes is the culprit and can be cleaned out.
I just cleaned mine, but I think I need to finish drying mine out, its now acting a bit odd on start up
A consistent single cylinder misfire could be a bad spot in the distributor cap, a bad ignition wire, a bad spark plug, bad valves on that cylinder, poor compression on that cylinder, poor or non-functioning fuel injector, on any of a host of things.
Timing is possible if there is inconsistent multiple cylinder misfires. The list of other new factors causing this is quite many as well.
I just did a full tune up along with timing belt and water pump at 129,000 miles on my 93 GTS. It still continues to have that once in a while skip at idle such as yours. The idle is rougher when I use the AC. I have had the car for over a year and it has not gotten any worse. The one thing I have not tried is cleaning that Idle Control Valve that a poster previously mentioned. I will try it when I get some time next week.
Its worth it to take it off and let it fuly dry out after you use a cleaner. I didn't. Later that evening after a breif time on the highway, my car decided it wanted to now idle at 4000rpm. Once I took it off again and let it fully dry in the sun, things got better
A good, strong solvent, such as a choke & carb cleaner (not the environmentally safe one). I believe people have used SeaFoam successfully for this also.
OK, was away for a few days and had the Celica at the local Toyota dealer and had a complete tune up, and service, new brake pads, and new tires. I did not drive it home, my wife did, and she says it still has a small viberation when she stops for traffic light or any other stop. So I will check it out tonight when I get home.
Will check the Idle air control and someone suggested the EGR modulator, is that the same as the Idle air control?
Thanks
Mike
No, the EGR means exhaust gas recirculation - it is used to bring exhaust gas into the intake manifold to help reduce combustion temperatures, so NOx and HC emissions go down. It is possible, if your EGR valve does not close completely when the engine is cold or when idling, that the amount of exhaust gas being drawn in relative to the fresh air being pulled in is too high, causing a rough running engine. However, if you had a Toyota dealer do a complete tune-up, it would have been my expectation that they would have inspected your EGR system for proper operation. But perhaps they don't do this anymore.
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I found out they did do a complete emissions check and the EGR is ok. I drove the car last night and it runs much better, however it still has some shake at stops. The dealer we bought it from says it may be the motor mounts, as he says Toyota had a problem with motor mounts. Anybody have any thoughts on this?
Thanks
Mike
If the engine is forcing a vibration, sure, motor mounts can be broken and allowing the engine too much movement. But a normally operating engine should not cause so much force as to vibrate like that, even if the mounts are not in the best of shape.
Did your Toyota service shop do a compression check? Almost sounds like you have to much compression differential across your cylinders. Should be no more that 14 psi between the highest and lowest values. More than this, and your engine will shake a bit at idle. Mounts will only absorb most of this energy, but what is the cause of this much movement at idle? I'd check your engine compression.
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