 Sputters at 3000 RPM. ACK! |
 Apr 24, 2014 - 9:46 PM
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 Enthusiast  Joined Sep 16, '13 From Grand Rapids, MI USA Currently Offline Reputation: 1 (100%)  |
Hey all,
Not a good night. Motor started sputtering when reaching 3000 rpm. Half-way though a tank of gas. Idles fine. No odd noises. Sputters under acceleration and in park. Google has not been any help. Thoughts? Any help would be greatly appreciated. -------------------- '99 Triple Black GT Convertible
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Apr 30, 2014 - 8:07 PM
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Enthusiast Joined Sep 16, '13 From Grand Rapids, MI USA Currently Offline Reputation: 1 (100%) |
Just picked up the broken Celi from the dealer. $120 for a diag.
As I understand it, turns out a bad O2 sensor (been bad for awhile) was causing the motor to run too rich (I was only getting 20 mpg) and the unburned gasses melted the Catalytic Converters. Too much exhaust attempting to go through the confines of the melted converter is causing the sputter. That is the story from my local Toyota dealer. From what I have read this is common. Cost for 3.5 hours (!) labor, the exhaust manifold w/ front converter, rear converter, 2 sensors and 4 gaskets? $1500 installed. Wha-wha-what?! As a reference, the cost of parts from Advance? $500. These are for direct fit parts, not universal. I have a high-end muscle-car co-worker whose son is a mechanic at a local dealer as may be interested in looking at it. Looks like these are bolt-on parts. Can anyone confirm? -------------------- '99 Triple Black GT Convertible
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Posts in this topic
GTMike Sputters at 3000 RPM. ACK! Apr 24, 2014 - 9:46 PM
Box When was the last time the air and fuel filter and... Apr 24, 2014 - 11:20 PM Box If you live where they don't do emissions just... Apr 30, 2014 - 8:13 PM Smaay use a spark plug anti fouler on the rear O2 and it... Apr 30, 2014 - 11:19 PM GTMike Update:
The dealer swore up and down it was melted... May 21, 2014 - 1:35 PM Special_Edy You may not need to replace the cat, it can probab... May 21, 2014 - 5:30 PM lagos You just need to replace the plugs, cap, rotor and... May 21, 2014 - 5:54 PM travisxcore Yea that's what my dizzy did would it was goin... May 21, 2014 - 6:07 PM Special_Edy Check the primary and secondary resistance on the ... May 21, 2014 - 7:05 PM GTMike So what was it?
Frayed wire at the crankshaft sen... May 22, 2014 - 2:12 PM GTMike Well, the issue has returned...
When the cranksha... Jun 25, 2014 - 3:33 PM Smaay 99% of the time when you throw EGR codes, its the ... Jun 25, 2014 - 3:42 PM GTMike Amateur fix? Guessing not. Jun 25, 2014 - 3:54 PM Box Vacuum switching valve, not hard at all. That or ... Jun 25, 2014 - 4:02 PM GTMike I've done some further digging and found instr... Jun 25, 2014 - 4:07 PM Box Another thing is the EGR temp sensor is probably c... Jun 25, 2014 - 4:38 PM GTMike The check engine light came back on. Advance check... Jun 27, 2014 - 8:43 AM Special_Edy Insufficient flow means the EGR isnt opening, you ... Jun 27, 2014 - 11:04 AM Bitter Not Bosch Platinum spark plugs are they?
I second ... Jun 27, 2014 - 7:27 PM
Box NGK and Denso are my plugs of choice. Jun 27, 2014 - 8:06 PM |
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