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3rd & 4th Generation (1992–1996 & 1997–2001) Toyota Camry Discussion for years: 1992-1996 & 1997-2001 Topics of discussion range from fuel economy, safety, modifications, performance all involving America's favorite family car, the Toyota Camry.

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Old 04-14-2010, 08:58 PM   #1 (permalink)
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Some Interesting Compression Data...

Well, I changed my spark plugs today and decided to run a compression test. I got some creepy results!! Before I give you the numbers, the car is a '95 1MZ-FE with 352,652 KMS at time of test, or 219,127 miles. The car has been well maintained. Anyways, I got a reading of 175 PSI +/- 1 PSI on every cylinder on first crank.

Trust me when I say I re-did every cylinder at least twice in my own disbelief... Trust me when I say, it was 175 PSI on EVERY CYLINDER!!! Creppy!! After almost 220,000 miles, the compression numbers have nothing to show for it!! God I love this car
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Old 04-14-2010, 09:12 PM   #2 (permalink)
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219,000. God I love these cars.
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Old 04-14-2010, 09:23 PM   #3 (permalink)
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Toyota builds some solid engines. Its crazy that these cars can go huge amount of miles and not burn any oil.

I just worked on a 97 which literally has just had oil changes for 150k miles, everything else was untouched, its crazy at how well these things can take a beating. This thing had a dent literally everywhere and no trans fluid on the dipstick and no flex pipe and its still chuggin along.

They can last forever properly maintained.
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Old 04-14-2010, 10:01 PM   #4 (permalink)
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toyotas FTW

for instance i lost brakes (again!) in my old buick yesterday, almost crashed into rear of car in front of me before the railroad crossing (and stop sign) ... scary shit ... happened to me twice so far with BUICK ... another $$$ for the local shop to replace rear brake line which got burst ... i am not touching that crap myself, that car stinks and is so rusted i would be afraid it falls apart ... and IF it does while shop works on it ... oh well at least i will have someone to put the blame on j/k
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Old 04-14-2010, 10:06 PM   #5 (permalink)
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Yeah dude. These engines are solid. ...until you lose pressure haha.
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Old 04-14-2010, 10:09 PM   #6 (permalink)
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Unfortunately the same can't be said for the newer Toyota engines. Those GR motors are gonna start costing Toyota even more money in lost customers once they hit about 80k miles. Just watch.
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Old 04-14-2010, 11:04 PM   #7 (permalink)
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Quote:
Originally Posted by Novice_cardude View Post
Unfortunately the same can't be said for the newer Toyota engines. Those GR motors are gonna start costing Toyota even more money in lost customers once they hit about 80k miles. Just watch.
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Old 04-14-2010, 11:38 PM   #8 (permalink)
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Quote:
Originally Posted by Novice_cardude View Post
Unfortunately the same can't be said for the newer Toyota engines. Those GR motors are gonna start costing Toyota even more money in lost customers once they hit about 80k miles. Just watch.
The GR line has been around since, what, 2002? And the 4 & 5 GR are going on 5 years old...should be plenty of those bad boys at 80K+ by now.

It'd suck if Toyota was starting to shit motors, too -- even my 2002 Sequoia (an unmitigated piece of crap) has a motor that is a work of art (the 2UZ-FE).
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Old 04-15-2010, 07:15 AM   #9 (permalink)
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I personally can't vouch for the newer GR engine lineup, however I don't think they will get nearly the high mileage that an equivalent 1MZ or 3VZ engine would...

However, I do find it insane that my engine has maintained the pressure it's supposed to, especially after so many miles/years on the road in a such a broad range of thermal conditions. I mean, in Montreal, we see horrible cold winter (~-5 Farenheit for like 3 months at a time), but very pleasant summers (like ~65-70 farenheit). And in Michigan, it isn't any better So I mean from that aspect, it's a miracle that the engine has maintained factory spec compression!! I was expecting to test it and see values ranging anywhere from 130 to 160 PSI, I was honestly floored when they all came back at 175 PSI! I don't know what Toyota used in these engines
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Old 04-15-2010, 11:27 AM   #10 (permalink)
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are you sure 175 isnt the max on your gauge?
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Old 04-15-2010, 11:48 AM   #11 (permalink)
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Quote:
Originally Posted by rusty9 View Post
are you sure 175 isnt the max on your gauge?
I'm pretty sure that the maximum was around 250 PSI on the gauge, althought it isn't in front of me right now...
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Old 04-15-2010, 01:45 PM   #12 (permalink)
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NICE!

A long time ago (at around 190k miles) my Camry developed a miss at idle. I took it to a shop who diagnosed it to bad ignition wires, which I had just replaced about 5k miles ago (CRAPPY Autozone wires). In the process of diagnosing it they did a compression check. All 6 cyls were running 180 psi, IIRC. The mechanic was more than a little surprised to see that!
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Old 04-15-2010, 03:12 PM   #13 (permalink)
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Quote:
Originally Posted by BMR View Post
NICE!

A long time ago (at around 190k miles) my Camry developed a miss at idle. I took it to a shop who diagnosed it to bad ignition wires, which I had just replaced about 5k miles ago (CRAPPY Autozone wires). In the process of diagnosing it they did a compression check. All 6 cyls were running 180 psi, IIRC. The mechanic was more than a little surprised to see that!
It's always nice to see that! Made me smile. I mean like I said, 175 PSI, which is Toyota spec for the 1MZ, is quite surprising!! You know it's funny that you mention autozone ignition wires. I bought some spark plug boots (I have 6 coil packs on my car) and I was sooo close to buying autozone boots, which are 17$ for all 6 boots, but I figured, in the lifetime of one set of Denso boots, which I payed 59$ shipped for, I would probably end of changing the autozone boots 3-4 times, so the price would even out. And that's not even taking into account to wrench time you have to put in to change 'em!

I changed the boots, which were ~100,000 miles old according to my log book, and they were still pliable! Not even remotly hard. Yes they had lost a bit of elasticity, but still, after 100,000 miles of cold/hot cycles, that's understandable... The car never ceses to amaze me
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Old 07-23-2010, 06:57 PM   #14 (permalink)
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im going to be checking the compression on my 3vz, did you have much trouble getting the tester in the rear bank? i can change the plugs back there with the right combination of swivels and extensions, but i was wondering how hard its going to be to get a flexi hose back down there on a hot engine.
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Old 07-23-2010, 07:01 PM   #15 (permalink)
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Quote:
Originally Posted by rusty9 View Post
im going to be checking the compression on my 3vz, did you have much trouble getting the tester in the rear bank? i can change the plugs back there with the right combination of swivels and extensions, but i was wondering how hard its going to be to get a flexi hose back down there on a hot engine.
I don't know about the 3VZ, but on my car, it wasn't too bad.
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