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Prev Professional Automotive Repair Technical Discussions for March 12, 2012
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Open Help Requests for All Makes and Models
Help Request Answers
1996 BMW 328i 2.8L Starter VIN: WBABK7323T
I have a strange one for the BMW guys out there. The car starts whether the clutch is depressed or not. Ive tested the clutch switch operation and it is ok. Ive tried unplugging the switch and shorting the plug and leaving it open and it still starts either wa...
2001 BMW 325i 2.5L pcv/breather sys VIN: WBAAV33421
Hello BMW tech's. I have a question about the pcv/breather sys on this car. I have read there were some problems with it and it does feel like the hose going to the dipstick is collapsed. Do I need to remove the intake manifold to work on the oil separator or ...
2001 BMW M3 3.2L Poor Idle Quality, Stall VIN: WBSBL93461
Thanks in advance for the help I have one that I feel like burning. I am consistently able to get the vehicle to die while driving at any speeds above 40 mph. It dies when you push the clutch in and let the vehicle coast. It does not have anything to do with t...
2003 BMW X5 3.0i 3.0L Misfire, MIL Lamp on VIN: 5UXFA53533
hi guys got this x5 in with a misfire at idle but not all the time check fuel pressure seems to be good smoke test the intake found the intake runner valve leaking my question is do u guys think that valve would cause the lean codes and misfire before i order ... Trouble codes: 227 (bank lean), 228 (bank lean), 238 (239), 240 (241), 242 (243 - misfire), 243 (misfire)
2004 BMW 530i 3.0L LCD Screen, Cruise Control, ABS, Transmission VIN: WBANA73564
Hello All, This vehicle will start and run just fine. Then the LCD screen that has Radio, Climate control, Car Data, etc will begin to go dim and then lighted again. The display never shuts off. It just looks like it loses the backlighting off and on. After a...
2008 BMW X5 3.0si 3.0L Poor Idle Quality, Surge VIN: 5UXFE43588
we have the vent valve whistle. i do not see a vent valve on intake, i assume it is in valvecover ? if it is is it a replacement diaphram or complete valve cover ? have not seen one of these yet . thanks for input jamie
2004 Buick Century Custom 3.1L abs VIN: 2G4WS52J44
have had this car as a problem car always right front wheel speed sensor .. have replaced the hub and bearing twice and replaced the wiring under the fender , still get and ocasional code C1232 ..LEFT FRONT WHEEL SPEED SENSOR , now also getting a C1218 PUMP MO...
1995 Cadillac Seville SLS 4.6L Stall, RPM limited VIN: 1G6KS52Y3S
This car will shut engine down or limit the RPM because the computer thinks it's running hot, when engine is at operating temp of 195F display shows 260. I'm leaning toward bad computer but wanted to get some ideas from the IATN team, thanks in advance!
2003 Cadillac DeVille 4.6L tcc code 741 VIN: 1G6KD54Y83
after driving 20 30 min.check engine light on.tcc code again.vehicle came in shop with exact same me if u can
1996 Chevrolet Tahoe LS 5.7L Backfire when starti VIN: 1GNEK13R9T
This one has me puzzled. Intermittantly this tahoe will backfire/kick back when cranking. Sounds like the classic crank sensor problem right? there are no sensor codes, sensor has been changed twice, just changed this weekend. Checked clearance and shimmed. Re...
2003 Chevrolet Monte Carlo SS 3.8L Starting VIN: 2G1WX12K63
No crank condition no codes present went through all data repair list came up with bad pcm but it did not correct the problem
2003 Chevrolet Silverado 2500 HD 6.6L starting VIN: 1GCHK29183
This truck is hard or wont start most the time ,it came in first had code to service fuel injection, then a code for fuel pressure regulater, gm parts dealer told me the regulater is on the pump and cost almost half what a rebuilt pump ,so i install a gm pump ...
2005 Chevrolet Malibu Maxx LT 3.5L starter VIN: 1G1ZU54865
The remote start has stopped working. The remote was just replaced and the dealer says that it is sending the signal to start the car with the remote. The other functions of the remote work fine. I scanned the car and found p0826 code saying the tap up/down sw...
2005 Chrysler Pacifica Touring 3.5L temp controls VIN: 2C4GF68455
hello everyone, need your help. have this chrysler pacifica, that when you set the temp to low on dr & pas side it blows very cold. when putting the temp to 65 then it will blow hot on both sides. drb shows dr & pas is cold when on low but will show hot @65, c...
2000 Dodge Neon ES 2.0L Misfire VIN: 1B3E546CXY
I have this Neon that I replaced the valve cover gasket, thermostat, and flushed the cooling system. After the service I started the vehicle and there is a misfire present. I narrowed the misfire to cylinder #2. At the injector pigtail there is B on one side f... Trouble codes: P0202, P0302
2000 Ford F-250 Super Duty XL 6.8L No Start VIN: UNKN0WNV1Y
this vehicle has no codes for coolant temp sensor issues, but it floods when you try to start it cold. so i was informed that the temp sensors have alot of issues on these so i testes CHT CTS and IAT. CTS was the only one that tested bad. replaced sensor and t...
2002 Ford F-350 Super Duty Lariat 6.8L O2 monitor not ready VIN: 1FTWW32S22
Customer requests for regular maintenance and smog inspection. No service codes were found but unable to complete the monitors for smog test. Oxygen sensor and heater for o2 sensor, both monitors are not ready even customer drove up to sanfransisco and back to... Trouble codes: P1000 (Drive cycle incomplete)
2004 Ford F-250 Super Duty XLT 6.0L No Start VIN: 1FTNW21P04
Dang six liters!vehicle came in on hook. customer got out of truck with it running to open gate and truck stalled and wouldn't start back. truck will crank for a few seconds then hit one time and die. runs for 1-1 1/2 seconds.KOEO P0268 inj 3 circuit high and ... Trouble codes: P0268 (Injector 3 circuit high), P0676 (Cyl. 6 glow plug circuit), P2614 (Cmp circuit/open), P2617 (Ckt circuit/open)
2005 Ford F-350 Super Duty King Ranch 6.0L egr cooler or hd gskt VIN: 1FTWW31P15
Is there an easy way to determine a blown head gasket versus egr cooler. This truck has heavy whit smoke out of the tailpipe. The engine oil level has increased slightly as well but is not milky. The customer towed it over two hundred miles because it started ...
2006 Ford F-150 XLT 5.4L Poor Idle Quality, Stall VIN: 1FTPW145X6
Hi all I want to start with a thanks in advance. This truck when at operating temp once and awhile will stumble and stall when in gear Drive and Reverse. When it does the engine oil presure flutters (checked with a manual gauge) but adverages 25psi at idle No ...
2008 Ford Escape XLT 2.3L Noise VIN: 1FMCU93Z08
This Escape has a rather loud whistling noise coming from he intake manifold area. The noise goes away when we remove vacuum from the Manifold Tuning Valve Actuator. No leaks found during a smoke test, though smoke does come from the back of the Actuator. Doe...
1990 GMC C1500 Sierra SLE 5.7L Poor Idle Quality, Cuts out VIN: 1GTDC14K5L
Customer complaint is the vehicle doesn't run. I got in and it fired right up. Ran it for awhile and it bogged down momentarily and then back to running fine. I cought it on the scan tool. Sitting in the bay at idle, RPM went to 0, O2(mv) went to 0, Integrater...
2004 GMC Canyon SLE 3.5L incorrect mileage VIN: 1GTCS14664
This truck came in with.Interior lights staying on, and horn was inop.I replaced the bcm.Then the mileage stayed at 46876.So after testing everything,the ipc was bad.I replaced the ipc.Now the mileage is working, but it started at 0.I let customer drive it,bec...
2005 GMC Sierra 3500 SLE 6.6L low power VIN: 1GDJC33275
this truck came in with code p1093 in history, light off. We have a tech2 so ran frp up to 160mpa, no problem. Power brake in shop also no problem but on the road any heavy request pulls frp back to 7500psi. If I let up it will come back and run fine until I g... Trouble codes: P1093
2006 GMC Envoy SLT 4.2L drivers door control module VIN: 1GKDT13S96
Replaced the module and a blown DDM fuse (10 amp). Checked the circuit breaker and it is fine. Power to the drivers door module but nothing will work on the drivers door. What am I missing here? I have re-ordered another new module from the dealer and will rec...
2003 Honda Accord LX 2.4L hvac VIN: 1HGCM56303
To all, I have this 2003 accord with little or no heat from left side of dash. Plenty of air flow, just does not get hot. Passenger side is o/k. This is a single system with one temp control motor. I don't want to remove the whole dash if I don't need to. I ca...
2004 Honda CR-V EX 2.4L wheel speed sensor VIN: JHLRD77844
I got a returning code 24 impulse signal missing. Replaced bearing twice. one aftermarket and one oe. Both times encoder ring facing in next to sensor(brown side). Code come back. When monitering on scan tool all speeds stay the same while R.R drops out at tim...
2007 Honda Odyssey EX 3.5L driveline VIN: 5FNRL38447
This is a driveline vibration that I would consider to be of severe intensity. The intensity increases with load, and decreses on deceleration. It occurs in third gear during the entire gear command. Once overdrive is commanded, the vibration goes away. If ove...
2003 Hyundai Elantra GLS 2.0L noisy decel VIN: KMHDN45DX3
pick up car from use car lot for smog and no light when i picked it up. try to smog notice misfire monitor ok fuel not ok(what the hell) ccm ok. Never seen this before,I thought these run all the time when car is running. I drove it and now check engine light ... Trouble codes: P0139
2004 Hyundai Santa Fe GLS 2.7L No Start, long crank VIN: KM8SC73D24
This customer stats that when they fill with fuel it take a long time to start have not had it do this to us. Just wondering if any one had this happen? Thank Brian Trouble codes: 441 (purge flow)
2005 Hyundai Sonata GL 2.4L no power VIN: KMHWF25S15
Hi To All This car will not get out of it's own way. Fuel pressure will drop below spec. I am replaceing the fuel pump and I noted that were the pump is that there is an black round like object around the pump that the pump has to pump the fuel through. I can...
2005 Infiniti G35 X 3.5L Fuel guage VIN: JNKCV51F25
The fuel gauge is off by quit a bit, Allmost everything except the das cluster has been replaced. I believe the dash cluster is bad, there is a self test that you can perform on the dash cluster selftest? I cant find it in Alldata or on Identifix. Anyone out t...
1998 Jaguar XJR 4.0L W/S wipers VIN: SAJPX1848W
The car came in with the complaint that the wipers will turn on with the switch, but the intermittant function is absent, and the intermittant speed function does not respond to the switch selection. The wiper switch, when in continuous mode, does control spee...
2003 Mazda B3000 DS 3.0L Misfire, MIL Lamp on VIN: 4F4YR16V93
we install new injector #6 and spark plug and the truck ran go for about five min and back to misfire and light is flashing - need help Trouble codes: P0306
2005 Mazda MPV ES 3.0L No Start VIN: JM3LW28A85
Customers van cam in on the hook. She stated that it has been jerking for a week. She took her son to school that morning and when she tried to start the vehichle that it wouldn't start. I noticed that the air tube was cracked goin from the MAF to the throttle... Trouble codes: P0340
2010 Mazda 3 S 2.5L No Start VIN: JM1BL1H60A
Need some thoughts and help. Have this 2010 mazda 3 with 2.5l cranks will not start.No injector or coil pulse I correct my self 1 pulse about every 500 rpms. Will not even try to fire. No codes,has advance keyless entry no theft codes, key light is green ,No c...
2000 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA31A7Y
check engine light, tcs light and slip light come on as soon as you start the car. if you turn the light off and restart the car right away the light will stay out until you turn the car off and restart it all the light come back on. Trouble codes: P1320 (Distributor signal interupted)
2003 Nissan Sentra GXE 1.8L Stall, MIL Lamp on VIN: 3N1CB51D83
Greetings to all. I have a Nissan Sentra GXE that came to me with a P2138. When the vehicle came in the MIL was on but vehicle ran fine. Accelerated well and other than the MIL being on was for all intents and purposes perfect. Tested the wiring @ APP 1 & 2 an... Trouble codes: P2138 (Accelerator Pedal Position Sensor Circuit Range/ Performance)
2006 Nissan Maxima SL 3.5L Burnt clutches after sonax solenoid replacement
Vehicle drove fine except for a hard rev a D engagement bulletin calls for repairing wirh Sonnax kit my guys repaire solenoids according to sonnax kit but trans burnt out in a few miles first it showed a second gear improper ratio code before it went out.I don...
2002 Saturn SL2 1.9L w/bearings
Hey all, sorry, didn't grab the VIN...Regular customer of ours has an 02 saturn sl2. In the past 80k we have put six front wheel bearings in it. We have tried different brands of bearings, the knuckles are clean, the bearings go in with no unusual effort. we h...
1996 Toyota T100 SR5 3.4L Stall VIN: JT4UN24D3T
Trying to figuire out if my Snapon Modis can scope the camshaft and crankshaft position sensors in some way. If anyone knows how to do so could they give me the rundown how to do so. Trouble codes: P0340
2005 Toyota Tundra SR5 4.7L Mechanical VIN: 5TBDT44135
Hello to all members, we have this tundra that came to us with two codes with are p0418 and p2445 we saw that there was a tsb om it. We pulled the intake and checked for water in the system didnt find any. One question i have we pulled the air pump off and pow...
2010 Toyota Sienna XLE 3.5L Right Front VIN: 5TDYK4CC0A
High guys, I am hopeing all you toyo guys can help with this one. The van cam in with a complaint of a popping noise while turning. After road testing, I found a popping noise comeing from the right front while turning and breaking all the time. I put on a dri...
2001 Volkswagen Passat GLS 1.8L secondary air injection VIN: WVWPD63B41
This vehicle originally came in for a bunch of different concerns. Repairs that were done at same time as air pump issue was noticed: coolant bottle and coolant housing seals, exhaust flex section, rack and pinion, valve cover gaskets, serp. belts, clutch and ...
2002 Volkswagen Passat GLX 4 Motion 2.8L auto transaxle ?? VIN: WVWYH63B42
G/D bless help from friends , The car shifts back and forth between 1500/2000 rpm's at a light throttle . The rpm shift is only about 200 rpm's up and down and lasts for less than a second or so . Acceleration clears it up . Plenty of power and no slippage or ...
2005 Volkswagen Jetta 2.5 2.5L Poor Idle Quality VIN: 3VWSG71K95
Initial problem with this car was an intermittent hard or no start, was towed to us. Started for us, had intermittent idle problems with codes P0011, P0016, and multiple misfire codes. After researching the archives, this looked to be a slam dunk- multiple fol...
2007 Volvo S60 2.5T 2.5L MIL Lamp on VIN: YV1RH59237
Hi, the MIL is on and MAC scan tool says 2800 and 2900 dtcs having to do with fuel pressure. Code 2900 returns after clearing and restarting vehicle. I tested fuel pressure, 60psi. Fuel volume is good with no air mixed with fuel. I compared fuel pressure readi... Trouble codes: 2800 (unavailable), 2900 (fuel pressure)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2004 Cadillac DeVille DTS 4.6L Trunk Springs VIN: 1G6KF57984
First of all, I would like to thank all replied. All the ideas would have worked and did. I took vehicle to my local body shop and had them tension the springs. Nobody got hurt and we didn't have to fabricate anything. Thanks again!!!
1990 Chevrolet Lumina 3.1L Stall, no power VIN: 2C1WN54T8L
Hi guys, Good lord! Over seventy replies! Wow Thanks guys!!! First day back at the shop but I had to leave my friend's car without a total fix. I printed off every response and gave to my friend to investigate. Today i recieved a phone call saying that the...
1996 Chevrolet Blazer 4.3L hard start - cold VIN: 1GNDT13W3T
Gentlemen This car is fixed and starting fine. We wound up installing a new fuel pump and according to the owner he is satisfied with how it starts. However after we installed the pump I was not sure we got it right as the cold crank time was to long for me....
1996 Chevrolet Cavalier 2.2L No Start, Stall VIN: 1G1JC124XT
Greetings, After hours of head scratching and being bent in in strange positions, we think we have this one knocked out. Some members stated to check grounds and moduals. we found that the main ground strap from the battery to the body and battery tray had a ... Trouble codes: 1601 (loss of serial comm).
2002 Chevrolet S10 2.2L Timing Chain VIN: 1GCCS19502
Well I am calling this fixed. When we opened it up for the third time; the timing chain tensioner was broken. We have replaced the tensioner each time we replaced the timing chain. But of course each time was with aftermarket parts. We do not detect play in th...
2008 Chevrolet Silverado 2500 HD WT 6.6L rear end VIN: 1GCHK23698
After talking with my local dealer I think this might just be a "condition normal" situation. But the condition is quite severe, much worse than I have ever felt from any other truck. There is a severe clunk, bang when shift out of 4 wheel drive and back up re...
2000 Dodge Neon ES 2.0L Excessive Emissions VIN: 1B3ES46C6Y
vehicle has now just pased state emission test cat was replaced as many of you suggested passed with double digit nox levels also hc,s now way below max specs i also cleaned inj and intake system with bg chemicals thanks again for the help and insight guys
2002 Dodge Caravan SE 3.3L all interior systems VIN: 1B4GP25R42
sorry wating for fcm,had codes stored in bcm for fcm no communication,all wirring ok (amazing).let u know when replaced . thanks again..
2007 Dodge Sprinter 3500 3.0L MIL Lamp on, slight lack of power VIN: WDXPF44537
Thanks guys for all the wisdom and help on this one. I am just not equiped for it. Sent it to the dealer and have not heard the fix results. Trouble codes: P0101 (Mass air flow performance).
1998 Ford Ranger XL 2.5L flywheel to starter mesh
Thanks everyone for your time and input! Customer has decided not to have any further work done to this vehicle and has decided to sell it. After checking the crankshaft end play and finding it within spec, I told him the only other thing to do at this time ...
2000 Ford Windstar SEL 3.8L Oxygen Sensor VIN: 2FMDA5348Y
thank you for all the help. after more diagnosis, i found that the injectors on bank 2 were working but not properly. fuel volume was low. thanks to all that helped.
2008 GMC Envoy SLT 4.2L Light comes on VIN: 1GKDS13S08
Thanks to all who responded, the majority of which agreed that the sensor was probably the problem. The customer is moving to Pittsburgh and decided to have me put on a new Steering angle sensor. I installed the new sensor and true to my intuition it read 0 d...
2007 Honda Fit Sport 1.5L Coil Pack VIN: JHMGD38637
My apologies and gratitude for the accurate guidance. This was a comedy of errors brought on my my failure to double-check the dealership's handling of part numbers. They gave me three bags, one of which they said had the old part number on it, but that had be...
1995 Isuzu Rodeo S 2.6L smog VIN: 4S2CG58EXS
fortunately, this is a extra vehicle for this customer and I have put it aside for now, I will continue with this in the near future. want to thank all who have responded, there is some great info here, thank you all.. it has taught me a lesson as well, to mak...
1996 Jeep Grand Cherokee Limited 4.0L No Start, Long crank when cold VIN: 1J4GZ78S9T
customer did not approve service at this time. they said if it gets worse it will be back. thanks for the info! if i do get it back in here soon and find the problem i will post a fix. thanks again
2005 Jeep Liberty Sport 2.8L Fuel temp sensor VIN: 1J4GL48575
Customer has not returned for repair. Most of the replies said I need to replace the fuel filter housing assembly, comes woth a new filter and the sensors as a complete unit. So if and when that can happen will update. Thank you for the help I will respond to ...
1999 Kia Sportage 2.0L Poor Idle Quality, Hesitation, Cuts out VIN: KNDJA7231X
thanks to everyone for there help even though we had glanced at it once and didnt notice anything upon second closer reveiw the pin was sheared and crank gear was moved replaced key and gear works great now as allways this is the best site ever techs on h... Trouble codes: 343 (cam sensor).
2001 Nissan Quest SE 3.3L Unknown VIN: 4N2ZN16T71
Sorry for the late response. Just wanted to thank all of you for your great expertice. Toby from Texas nailed it. Too bad i didn't have a boroscope but yeah it had a crack on the side of the knock sensor. Repaired that then it had a code po138 n po139. Had ...
2004 Saab 9-3 Arc 2.0L Auxiliary Port VIN: YS3FD79Y64
Thank you to Jim, Pete and Justin for your replies. You confirmed what I suspected, pretty straight forward procedure. An extra special thanks to Justin for the tip on hitting the disc button twice to get the radio into the AUX mode. Without knowing that we wo...
2006 Saturn Vue 2.2L Mil VIN: 5GZCZ23D86
Thanks for the replys guys. This code did not come up again after being cleared and taken through three drive cycles. I do not know why it was there. We tried another scanner and it didn't display that code.
2004 Suzuki Grand Vitara EX 2.5L No Start
After checking powers & grounds and everything checking out ok. I decided to be sure that the spark being produced was good enough to fire the plugs. After spraying some 2+2 in the throttle body, I was able to get the car running for about 5 seconds. But wh...
1996 Volkswagen Golf GTI VR6 2.8L No Start, Stall VIN: 3VWHD81H5T
I hope so this will help people to remember to test there test equipment. Something in my fuel pressure guage was acting like a one way check valve, so when I lost fuel pressure the guage would stay up. The fuel filter was installed backwards a long time ago, ... Trouble codes: P0121 (Throttle Position senor circuit A), P1544 (Throttle Actuation Potentiometer Signal too high), 17908 (Fuel pump relay).
1999 Volkswagen Passat GLS 1.8L battery VIN: WVWMA63B3X
Well thank you Sergiu [...] BC ended up being exactly what you said after inspecting the hood latch and micro switch Technician found that the switch was broken, and was the sourse of the draw, Thank You to everyone for there help as well and the great informat...
2003 Volkswagen Beetle GLX 1.8L Hesitation, MIL Lamp on VIN: 3VWDD21Y13
Vehicle is back and I am going through all the vac hoses one at a time trying to find issue, no luck so far Trouble codes: P0171 (System Lean), P1297.
1983 Volvo 244 DL 2.3L no fuel delivery VIN: YV1AX8823D
First off I would like to thank all members who offered assitance,this being my first request was impressed with the response. Finally did get vehicle repaired we actually had two seperate problems. First problem was defective ecm not allowing ground signal to...
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