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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for July 23, 2006
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Open Help Requests for All Makes and Models
Help Request Answers
2002 Buick Regal LS 3.8L Hesitation, MIL Lamp on
We have a 02 Buick Regal 3.8L that will start and idle ok, But when you try to accelerate, it just bogs down. I checked the fuel pressure, and at idle it is 47 psi, I tried a MAF sensor and it didnt help. It keeps coming up with code po410 ( secondary air inje... Trouble codes: P0410
1995 Chevrolet Blazer 4.3L no start sometimes VIN: 1K12HTOLMN
well this blazer came into my shop on friday with run sometimes ..will not run sometime..customer has had lots of repairs for same problem... it will run when it wants to.. may shut down at a stop lite and not start til next day or .. it may start up at anytim...
1994 Chrysler Concorde 3.3L fuel pump VIN: 2C3HL56T1R
Hey Chrysler techs. This one got towed in with no fuel pressure. My tech replaced the pump module with an oe part without confirming power supply. My fault cause we are so busy right now we just jumped to conclusions. Any way we have no power until we ground t...
2001 Dodge Durango SLT 4.7L Starter VIN: 1B4HS28N01
Intermittantly will not crank, and the shift indicator won't indicate Park or Neutral, other gears indicate properly. This only happens when starting, once started the indicator works properly. The indicator is electronic. This is a very intermittant problem a...
1999 Ford Escort ZX2 Hot Coupe 2.0L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 3FAKP1137X
Vehicle came in with a po340 tested cam sensor,it tested good. Cleared codes, as soon as engine restarts code returns instantly. Checked timing belt alignment with proper tools. Cams and crank are in proper position. After checking belt alignment I noticed tha... Trouble codes: P0340
2000 Ford E-150 Econoline 4.6L Misfire VIN: 1FTRE14W4Y
Thanks for your time, This van came in with a multiple cylinder misfire. Replaced all sparkplugs and boots, sparkplug holes were all filled with mud, cleaned out. This fixed problem and off the van went. Came back a few days later with what feels like a singl...
2003 Ford Focus ZTW 2.0L Unknown VIN: 1FAHP36383
Hopefully some one here has had this problem. Customer brings this car after having it to several other shops that can not duplicate problem. I road test and note car has harsh shift that seems to have a drag feel at times before shifting rather hard. Scaned s...
1987 Jaguar XJ6 4.2L Poor Idle Quality, Hesitation, Stall, Misfire VIN: SAJAV1345H
car starts good cold, problem gets worse as car is driven. hesitates, stalls, no power under load, idles rough in drive. smooths out in nuetral. have driven car with fuel pressure gauge hooked up and pressure is always 35#. car runs ok off idle. it is hard to ...
2001 Mercedes-Benz CLK320 3.2L fuel guage VIN: WDBLJ65G61
I took the car to a certified Mercedes shop (not dealer), they said that the computer was re-programmed for a different model Mercedes. They were able to re-program the computer which fixed everything expect the gas gauge, which is still indicating in reverse,...
2001 Nissan Sentra GXE 1.8L Poor Idle Quality, Cuts out, Stall VIN: 3N1CB51D71
This must be my week for headaches as this nissan was towed in for no go. Upon testing found fuel pressure was low, replaced with bosch pump, now have good pressure however engine will not idle has spark and noid all the time while cranking and until it dies t...
2002 Oldsmobile Bravada 4.2L transfer case VIN: 1GHDT13S92
Got my wifes car here. She states that after an anti-lock stop, the symptoms started. No indicator lights on. Vehicle turns like its in 4WD. Indicator lights come on during bulbcheck. Checked my MOD and found out how to R&R it. Don't have software for my "bric...
1998 Pontiac Grand Am SE 3.1L ABS LIGHT and ETS LIGHT VIN: 1G2NE52M9W
Hello techs, this car turns the ABS and the ETS lights on intermitanly, checked for codes found none in the ABS, checked codes for PCM, none found, checked codes for theft detterent sytem found none,,,also one time all the warning light came on while the car w...
1999 Saab 9-5 2.3L MIL Lamp on, Data bus VIN: YS3ED58E8X
Don't know where to begin on this one - car was towed in, customer reports that, while driving on the Interstate, 70-75 mph, car jerked and 'Check-engine' light came on. Drove for awhile and 'Check Gearbox' light came on (car is an automatic). Next the cruise ... Trouble codes: P1624 (Check-engine light request TCM), P1908 (No bus data from MIU), P1923 (No bus data from TCM), P1460 (Immobilizer active), P1921 (TCM code - No bus data from Trionic)
2000 Volkswagen Jetta GLS 1.8L Poor Idle Quality, Surge, Cuts out, Misfire VIN: 3VWPD69M01
car came in with poor running complaint. idled perfectly, but was slow to start. it usually took three or four tries. it always popped in exhaust the last try before starting. accelerated fair but dies when boost comes on. surged at constant speed. will free r... Trouble codes: P0340 (cam position sensor bank 1 circuit malfunction), P0300 (multiple cylinder missfiring), P0301, P0303 (cylinder 3 intermitant missfire), P0304

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1993 Chevrolet G20 Chevy Van 5.0L Hesitation, Surge, Stall VIN: 2GTEG25H5P
thanks to all that replied the van from hell just returned today friday of all days anyway i recheked all sensors and grounds no problem found but when i started moving the harness that run from ecm to engine it started to act up pealed back harness and found ...
1989 Dodge Caravan LE 2.5L Window regulator tape VIN: 2B4FK55J6K
I replaced the regulator tape with the mopar replacement and it has not broken yet. I think the aftermarket tape is just not durable enough. The mopar replacement seems to be more flexible than the aftermarket as well. Thanks for the replies.
2001 Ford Focus Street 2.0L runs hot VIN: 1FAFP34341
Well this car is still running hot. Nothing I've done has given me any answers. My Mac tool man is getting me a new block tester this week so we'll see what that shows but the inspection machine probe sniffed nothing unusual. Many good leads from you guys such...
2003 Ford E-350 7.3L No Start VIN: 1FDWE35F53
Well we ended up disconnecting oil pressure lines andthis brought oil presure up. So we replaced fuel presssure regulator.
2004 Ford F-150 Heritage XL 4.6L Poor Idle Quality, Misfire, MIL Lamp on VIN: 2FTRF17WX4
There was only one reply that was of any help. Most of the replys said to check things that I had already checked, but Raphael [...] hit the nail on the head. The timing chain on bank one had jumped two teeth. I got it back in time with all new chains and gui... Trouble codes: P0401, P0402, P0403, P0404, P2195 (02 sensor excessively lean bank 1 sensor 1).
1986 Honda Accord DX 2.0L MIL Lamp on
I received a lot of info about the vacuum chamber with 3 lines on it in the vacuum box, which was checked twice. Also, the EGR valve was factory new with a new EGR Position Sensor but I checked the signal from the sensor to verify that it was working correctly... Trouble codes: 12 (EGR malfunction).
2004 Mercedes-Benz C200 Kompres 1796CC upshifts VIN: WDC2030422
This is an intermittant problem, 3 occurances in 6 months,Mercedes Benz has agreed that the car is going into limp mode. They will replace the vehicle speed sensor (VSS) under warranty and see if the problem re-occurs.
1997 Mercury Sable GS 3.0L MIL Lamp on VIN: 1MELM50U2V
Well sorry that it took so long to post a fix, but here it is. I was thrown off by the fact that the exhaust was driven lean. This lead me to assume that there was enough flow reaching the O2. Aparently it was not lean enough. Turns out that the left bank dive... Trouble codes: P0411.
1985 Nissan 720 2.4L headgasket? VIN: JNBNDOBS7F
Thanks all to have responded. Sounds like this model has a lot of problems. well i have been very sick and finally got back to this truck. I took the valve cover off and pressurized the coolant. I didn''t see any coolant leaking from the timing chain area. als...
1989 Nissan 240SX XE 2.4L MIL Lamp on VIN: JN1HS34P5K
This car is finally fixed. The main problem is ecm not supplying the referance voltage or around two volt to the egr temperature sensor. The new ecm solved this problem, it supplies around two volts to egr temp sensor during idle and gradually drops down to ne... Trouble codes: 35 (egr temp sensor).
1999 Nissan Sentra GXE 1.6L starting VIN: 3N1AB41D5X
Hi techs - this car is fixed. I got several replies and a copy of the diagram. Suggestions included loose terminals on the starter inhibit relay in the underhood relay box (I tightened the terminals in the box just to be on the safe side, as suggested, but it ...
1997 Saturn SC2 1.9L Hard change VIN: 1G8ZH1275V
Hi guy's Thank's for your help but the customer decided to trade in the vehicle after I explained the option's she had. Your input was invaluable and insightful. At least there was a relatively happy customer in this “No Fix” situation. Once again, Tha...
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