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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 7, 2010
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Open Help Requests for All Makes and Models
Help Request Answers
2007 Acura CSX Type-S 2.0L Excessive Emissions VIN: ASD07N1075
Hello All Trying to make and Ariel Atom road legal. I cannot get it to pass emissions, argh. I have tried two different cats, but they do not seem to light up, I have driven 100 miles with two different cats and no go. Inlet temp on the cat is 600f and outlet ...
2006 Chevrolet Silverado 2500 HD WT 6.0L Misfire VIN: 1GBHC24U56
has a misfire on cly. 1,5,6,8 only at or around 2200 to 3000 rpm. moved coils from non misfire cly. to ones that are not. fuel psi. is 58 psi. i did a injetor balance test all looked good 55psi drop to 39 psi. did not find any vac. leaks hot or cold. did the t... Trouble codes: P0300
2004 Chrysler PT Cruiser 2.4L Surge VIN: 3C4FY48B14
We have just changed the engine on this car (old timing belt broke, bent valves hi mileage etc.) The new engine is in it and we have a new water pump/timing belt tensioners,etc. on it . All that looks great. The problem is that now when I start it,it just revs...
1995 Dodge Ram 2500 5.9L front brakes VIN: 1B7KF26C4S
brake pedal is soft spongy. clamped off front brake lines at front calipers brake pedal is firm, does not go down to floor. brakes have been blead no air coming out of bleed screw
2001 Ford Ranger XLT 3.0L not turning over starer VIN: 1FTYR14V11
hello all great tech out there ! thanks in advance . i'm pulling my hair out coz of this truck , this truck came in on the hook , problem is starter in not turning over, starting is not getting power from the starter relay , relay ground side is controlled by ...
2004 Ford Explorer XLT 4.6L Unknown VIN: 1FMZU73W04
Hey guys, got a strange bumping in what i believe to be the transmission. When vehicle is decelerated from 100kms or 60 mph it bumps at approx. 1 second intervals. Can be felt through the body of the vehicle,and persists until about 60 kms and then "releases"....
2004 Ford Freestar SE 3.9L Cuts out VIN: 2FMZ2A5167
vehicle started sputerring while driving, then shut off. starts right up everytime,runs for a few(3-5)seconds and shuts off. has codes for lean conditions.one code is for a FT sensor not sure what that is. thx for any help.seems like security system but alarm ...
2006 Ford F-150 XLT 5.4L Hesitation, Surge, Stall, MIL Lamp on, low power VIN: 1FTPW12546
Need some assistance on this Ford, First off I would like to say thank you in advance for any help in this problem child. This truck came in with low power on accelation and bucking while driving. There is a what seem to be a valve train tick on the passenger ... Trouble codes: P0171, P0301, P0300
2007 Ford Five Hundred SEL 3.0L Poor Idle Quality VIN: IFAHP24187
Vehicle has harsh engagements in drive and reverse only with A/C on, otherwise engagements are ok. When this problem occurs you get a slight rev up in rpms right before engagments. Otherwise vehicle runs great with no codes in system. We looked at data and cod...
2008 Ford F-450 Super Duty XL 6.8L MIL Lamp on, no throttle response VIN: 1FTXW42R98
To clarify the work history a bit. Customer has this 'BLINKING' check engine light issue when vehicle warms-up. Customer brings vehicle in to shop for a diagnostic and the codes retrieved on first diagnostic are the following: 1- P242D - Exhaust Gas Temperatu... Trouble codes: P242D, P242E, P2123 (Throttle position sensor / switch D circuit high), P2127 (Throttle position sensor / switch E circuit low)
2006 Mercedes-Benz C230 Sport 2.5L Fuse 53 VIN: WDBRF52H66
Hello iatn friends today i have a 06 c230 benz that blows fuse 53 in the under hood SAM. Im new to these euro cars but im tring to learn as i go. Alldata diagrams are hard for me to follow. I cant find whats on the circuit to clearly rule out any thing. When i...
1998 Mitsubishi Galant ES 2.4L N/a VIN: 1NM45234F5
While searching for a smog failure problem, we noticed there is a hose running from a tee on the top of the coolant resovior cap, down to a filter which then connects to the evap charcoal canister. Does anybody know if this is factory original application or a...
2008 Nissan Xterra S 4.0L Starting VIN: JN12TYU777
I just replaced the steering angle sensor it was shorted and causing the CAn net work not to work, my consult 3 will now communicate with the truck and came up with two codes C1735 ignition curcuit open and P1212, the truck will not start (although the immobil...
2004 Pontiac Sunfire SE 2.2L Misfire, MIL Lamp on VIN: 1G2JB12F14
hey evreyone. Im wondering if any one out there has had any issues like this (maybe someone can save me the time of opening the entire engine harness). I have power on the pink wire at the injector, but no noid light flash. i have continuity on the pink/black ... Trouble codes: P0300 (misfire detected), P0203 (Injector 3 control circuit)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1982 Chevrolet G20 Sportvan 5.7L Excessive Emissions, Hesitation VIN: 1GCEG25H5C
well i am going to call it fixed because even though it still runs a bit rough the smoke is all gone and the back fire problem is narrowed down to that diverter valve. if you disconnect it the back fire goes away. i am in the middle of a valve adjustment, it l...
2001 Chevrolet Cavalier Z24 2.4L wheel bearing VIN: 1G1JF12T21
HAd some good ideas, checking the grounds goes back a ways ..if someone has never seen it..i have seen lug nuts welded on and messed up because of poor grounds, what i believe will be the fix for this car when i went back and looked at the lower control arm wi...
2001 Chevrolet Blazer LS 4.3L rocker arms, lifters VIN: 1GNDT13W01
Thanks to everyone who took the time to respond to my request. Everyone offered good things to consider. Most useful to me were the responses from Dennis, Joe,and Rob, who helped me verify that the heads would work. I also consulted with a friend in the aut...
2005 Dodge Caravan SE 2.4L Engine VIN: 2D4GP44L35
This one really surprised me! It came in with a "valve train tick" I have been repairing automobiles since 1971 a know the difference between a valve train noise and a rod bearing knock. I took the heads off to examine the lifters and camshaft, the only thi...
1989 Ford Ranger XLT 2.9L Smog test failure VIN: 1FTCR14T2K
We found the leak. On top of the fuel tank. Resealed fuel pump and filler neck. Thank you to all who replied.
2000 Ford Taurus LX 3.0L No Start VIN: 1FAFP5523Y
Well I feel like a dork! Most all of you are right, BAD FUEL. Duh I can't believe we overlooked checking the fuel for contamination. Thanks again for making me think of the simple things first.
2005 GMC Sierra 1500 5.3L MIL Lamp on VIN: 2GTEK13T75
Sorry it took so long to update. It would appear that you guys were right again. I brought vehicle back in and replaced intake gaskets. It's been gone about 2 weeks now and haven't heard back, so I'm assuming this one is a fix. Thanks to all. Trouble codes: P0171.
1991 Honda Civic DX 1.5L trailing arm bushing VIN: 2HGED6350M
I will close this request with thanks to everyone who offered advice. The consensus, that I will accept, is the Schley tool is worth the investment even if I do not use it again because it avoids the expense and hassle of removing the trailing arm from the car...
2000 Honda Civic LX 1.6L Temperature
Well, I put it back together with the new head gasket and freshly surfaced head and took it for a long test drive. NO OVERHEATING! Apparently this one is fixed and the head gasket was indeed the problem. Although, I still don't understand how this was causing ...
2002 Hyundai Sonata 2.4L Cuts out, Stall VIN: KMHWF25S82
Well this ones fixed. It turn out to be the cam senor like a lot of you said. Wow a bad new part must have been installed. I tried a new crank sensor first ,oh by the way if you disconnect the old sensor take out the two bolts you can install a new/good senor ... Trouble codes: P0340.
2003 Lincoln Town Car 4.6L power steering VIN: 1LNHM82WX3
It would be nice if the repair manuals told you how these things worked--The dealer's tech had it backwards in that he said with the solenoid un-plugged that you'd get full assist-actually if you apply 12 volts to solenoid you get full assist. I couldn't n loc...
2002 Mercury Sable LS 3.0L Charging VIN: 1MEFM55S82
Well with the updated information you guys were all over this one. Salvage yard confirmed engine with harness came from 2001. We don't deal in engine swaps so I never realized the engine came with harness. [ I should have as I've seen enough other salvage yar...
2003 Pontiac Grand Prix GT 3.8L Misfire VIN: 1G2WP52K83
After cleaning the fuel delivery system three times with AC Delco Upper Engine and Fuel Injector Cleaner, the misfire count went to zero. It has been two weeks and have not heard from customer. I think it had carbon build up in the cylinder. Thanks for all the... Trouble codes: P0300 (Random Misfire).
2003 Saturn Vue 2.2L won't hardly move VIN: 5GZCZ33D13
Here's the scoop. This vehicle had multiple problems as I suspected. Part of the problem was that part of Alldata's posted wiring diagram was for the CVT trans, and part was for the normal Auto trans. I called them and they sent me the complete wiring for the ... Trouble codes: P0502, P0701, U2106 (Lost Comm W/Trans), U2107 (Lost Comm W/BCM), U2105 (Lost Comm W/ECM TCM Code), U2107 (Lost Comm W/BCM).
1997 Toyota T100 2.7L cluster,el. windows.doorlocks VIN: JT4UN22D3V
Hi group Thanks for the good info esp. Travis for the Toyota website www.techinfo.toyota.com. I looked into it, really good info, but the customer is short on money and I spend allready 6h on it. The bcm and the harness thru the door is ok. Thanks again Re...
2006 Volkswagen Passat 2.0T 2.0L Misfire, MIL Lamp on VIN: WVWAK73C66
Pulled the intake and found heavy carbon build up on the valves. We told the cust.that we could try a decarbon chemical,and a ran it for 2 days around town.Have not heard back from cust. but he was going out of town and said he would call back if it did it aga... Trouble codes: P0304, P0300 (randon missfire).
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