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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for January 9, 2018
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Open Help Requests for All Makes and Models
Help Request Answers
2009 BMW 128i 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: WBAUL73579
Hello all BMW techs, First off I don't see many BMW's at our shop. This one has a rough idle and a loud noise at idle which is air being sucked into the engine. When I remove the oil cap there is a large amount of suction, like the pcv system is not workin... Trouble codes: 29DC, 29E0, 29E1, 2A32, 2A34, 2C39
2007 Cadillac Escalade 6.2L door locks, dome light VIN: 1GYEC63867
Complaint door locks cycle while driving and dome lights stay on while driving. Have check ground 402 for lift gate, no codes in any module, can talk to lift gate module and see data. With snap on scanner only input I do not see change is Hall sensor liste...
2004 Chevrolet Silverado 2500 HD 6.6L no communication VIN: 1GCHK29264
hello what we have is 04 duramax we are trying to run a smog test. the problem is the truck will not communicate with smog machine. comes up the data for mode 1 was set to priority 1, however the data collected was invalid. we flashed ecm with latest updat...
2005 Dodge Durango SLT 5.7L Lights VIN: 1D4HD48D35
Chrysler mavens. I've got an odd one. The headlights and turn signals flash when the door is opened, and continue to flash going down the road like an emergency vehicle until the truck has been parked and the lights timeout. Also, the Occupant Classificati...
2006 Dodge Ram 3500 SLT 5.9L Lack of power VIN: 3D3MX48C36
This truck was dropped off with the customer stating it has no power and will not even go 20 mph up a hill. The CEL is on with codes P0148 and P0251 stored. On road test initially the vehicle felt ok and the actual fuel pressure matched the desired pressur... Trouble codes: P0148 (Fuel Delivery Error), P0251 (Injection Pump Valve Feedback)
2004 Ford F-150 FX4 5.4L MIL Lamp on VIN: 1FTPW14554
I'm about five weeks in on this one. The fact that the customer isn't foaming at the mouth must mean that this truck has been around and NOT fixed, elsewhere. The customer complains of check engine light on, not a driveability problem. I've driven the truc... Trouble codes: P0171 (Lean Exhaust bank one), P0174 (Lean exhaust bank two)
2005 Ford F-150 XL 4.2L Engine VIN: 1FTRF12295
Customer came in complaining of MIL on and vehicle running poorly(hesitation, stalls sometimes). Pulled codes P0300, P0302, P0304, P0316 and P0174. Started by checking to make sure there was spark at #2 & #4 cylinder and there is. Pulled those two plugs an...
2009 Ford F-250 Super Duty FX4 5.4L MIL Lamp on VIN: 1FTSX21539
Hello friends. I'm back with another mindbender. This one came to me from another shop who can't seem to get rid of the P0340 and p0344 bank 1 CMP sensor codes. They have already replaced the bank 1 CMP sensor twice the second time getting one directly ... Trouble codes: P0340 (Bank 1 cam sensor problem), P0344 (Bank cam sensor shorted)
1998 GMC K3500 Sierra SL 7.4L distributor VIN: 1GTHK33J4W
Checked fuel pressure with the new pump installed KOEO 53#. Has spark and fuel just will not start. Acts like it is out of timing. Checked to see if the distributor is on TDC and it is right on. What would be the next step for getting this truck back on th...
2001 GMC Sierra 1500 HD SLE 6.0L Knock Sensor VIN: 1GTGK13U91
Hey everyone, we really could use help with this problem. We are replacing (both)knock sensors & harness.front knock sensor came out easy.we cannot remove the rear knock sensor.we have tried the hammer & chisel method - it will not make the slightest mo...
1993 Honda Accord LX 2.2L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on, Hardly runs VIN: 1HGCB765XP
Customer had all the above components replaced before it was towed to me. Customer states it was driving normally on the expressway, he went to pass and it downshifted and accelerated and then felt like there was no throttle response. He was able to mainta... Trouble codes: 41 (oxygen sensor heater)
2007 Honda Odyssey EX 3.5L Excessive Emissions, No Start, Cuts out, Misfire VIN: 5FNRL38497
customer stated car had been sitiing approx. 9 months and when he started it was running rough, engine stalled approx 10 minutes after starting and wouldn't restart, towed in. started checking for fire , fuel and found original spark plugs and ignition coils, ... Trouble codes: P0300
2009 Honda Accord LX-S 2.4L MIL Lamp on, Slow to start VIN: 1HGCP263X9
Vehicle will crank for approx 5 or so seconds and then start. Will have crank sensor code p0339. Replaced with customer supplied crank sensor and vehicle still has same problem. Installed new batter, same problem. Had vehicle updated per tsb for this exact... Trouble codes: P0339 (Crankshaft Position CKP Sensor Circuit Intermittent Interruption)
1994 Jeep Wrangler S 2.5L No Start VIN: 1J4FY19P0R
We have a good one here, customer could not make vehicle run good so they brought it to us, they had replaced everything listed above except engine & injectors. we diagnosed engine and found 2 dead cylinders and 2 injectors not firing, we replaced engine &...
1999 Jeep Cherokee Sport 4.0L No Start VIN: 1J4FF68SXX
Hi all hopefully some Jeep techs can help me out. This Jeep has no spark. Has fuel pressure, has 5 volt reference, has injector pulse, on the scanner it says that cam and crank are in sync. There is no signal from the pcm to the coil. I've tried controllin...
2011 Jeep Patriot Latitude X 2.4L Belt VIN: 1J4NF2GB7B
Hello, After the work was done, the tech now said the belt starts to walk off on the power steering pump pulley quickly. He also noticed upon initial start up, the belt shifts outward on the lower idler pulley. The tech called Gates tech support and they s...
2013 Kia Soul 1.6L Poor Idle Quality, Cuts out, Stall, Misfire VIN: KNDJT2A58D
Hi,hope everybody is well and had a blessed holiday!!I have a 2013 kia soul I replaced the spark plugs a couple weeks ago.Customer brought it back this morning the check engine light was on and he said it run funny sometimes.i pulled it in the garage scann... Trouble codes: P0302 (cylinder 2 missfire), P0304, P2187, P2192
2010 Mazda 5 Sport 2.3L No Start VIN: JM1CR2WL4A
Intermittently the serpentine belt on this car is very wet with "water", and a no-start is observed. Engine cranks normal, tachometer is dead during cranking - no warning lights, just no start. Scanning the controller it holds a code P0335 crank sensor cir... Trouble codes: P0335 (CKP sensor circuit A malfunction)
2008 Nissan Xterra X 4.0L transmission VIN: 5N1AN08W78
The customer bought the car in with a P717 and 734 code. My test drive yielded a car that had trouble shifting from first into second until the car warmed up. The car also had a tapping noise that sounded more like a valve tap (or fly wheel tapping against...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1988 Chevrolet C1500 Cheyenne 5.7L Slow Crank VIN: 2GCDC14KXJ
Thanks for all the great feedback. Vehicle was put on hold for a while until the owner can put more money into it. Just to clarify a few things. This was a running vehicle when it came in for low to no break pressure due to ruptured brake lines. All the brake ...
2008 Chevrolet Silverado 1500 LT 5.3L oil consumption VIN: 2GCEK133X8
Thanks for all the replies, suggestions lean toward engine replacement, which I recommended, customer finally elected to tear this one down which we will probably start on next week. Planning on all AFM lifters, new VLOM, etc. Agree with oil changes being cr...
2011 Chevrolet Traverse LT 3.6L Engine VIN: 1GNKVJED9B
Thank you for all the help! The vehicle is not yet fixed, but we are confident that we found the problem. We ran a compression test on it due to the numerous posts about valve lifters, rocker arms, etc. 2 of the cylinders on the rear bank are low on compressio...
1999 Ford Explorer Eddie Bauer 5.0L rough vibration VIN: 1FMZU35P8X
Since there were no codes, but codes could be generated, we looked at the motor, and most of the shaking was at the front, near the fan. The rear of the motor had little shaking. So removed the radiator, and harmonic balancer, and the balance weight had shifte...
2012 Ford F-350 Super Duty King Ranch 6.7L MIL Lamp on VIN: 1FT7W3AT1C
Well replaced valve and when it was off very little soot or carbon was not physically stuck open test drove several times all is ok, something most have failed in the electrical part of the valve. Trouble codes: P042E.
1989 Mazda B2200 2.2L engine assembly VIN: JM2UF3132K
After finally satisfying the shop owner that there were no external accessories or components to create puddling of oil on top of the pistons, and showing him bore scope pictures of the tremendous piston to bore clearance, he agreed to have the engine removed ...
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